18918900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 432

約数和(自身を含む): 83119680

約数和(自身を除く): 64200780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 25, 26, 27, 28, 30, 33, 35, 36, 39, 42, 44, 45, 49, 50, 52, 54, 55, 60, 63, 65, 66, 70, 75, 77, 78, 84, 90, 91, 98, 99, 100, 105, 108, 110, 117, 126, 130, 132, 135, 140, 143, 147, 150, 154, 156, 165, 175, 180, 182, 189, 195, 196, 198, 210, 220, 225, 231, 234, 245, 252, 260, 270, 273, 275, 286, 294, 297, 300, 308, 315, 325, 330, 350, 351, 364, 378, 385, 390, 396, 420, 429, 441, 450, 455, 462, 468, 490, 495, 525, 539, 540, 546, 550, 572, 585, 588, 594, 630, 637, 650, 660, 675, 693, 700, 702, 715, 735, 756, 770, 780, 819, 825, 858, 882, 900, 910, 924, 945, 975, 980, 990, 1001, 1050, 1078, 1092, 1100, 1155, 1170, 1188, 1225, 1260, 1274, 1287, 1300, 1323, 1350, 1365, 1386, 1404, 1430, 1470, 1485, 1540, 1575, 1617, 1638, 1650, 1716, 1755, 1764, 1820, 1890, 1911, 1925, 1950, 1980, 2002, 2079, 2100, 2145, 2156, 2205, 2275, 2310, 2340, 2450, 2457, 2475, 2548, 2574, 2646, 2695, 2700, 2730, 2772, 2860, 2925, 2940, 2970, 3003, 3150, 3185, 3234, 3276, 3300, 3465, 3510, 3575, 3675, 3780, 3822, 3850, 3861, 3900, 4004, 4095, 4158, 4290, 4410, 4550, 4620, 4725, 4851, 4900, 4914, 4950, 5005, 5148, 5292, 5390, 5460, 5733, 5775, 5850, 5940, 6006, 6300, 6370, 6435, 6468, 6615, 6825, 6930, 7007, 7020, 7150, 7350, 7425, 7644, 7700, 7722, 8085, 8190, 8316, 8580, 8775, 8820, 9009, 9100, 9450, 9555, 9702, 9828, 9900, 10010, 10395, 10725, 10780, 11025, 11466, 11550, 11700, 12012, 12285, 12740, 12870, 13230, 13475, 13650, 13860, 14014, 14300, 14553, 14700, 14850, 15015, 15444, 15925, 16170, 16380, 17199, 17325, 17550, 18018, 18900, 19110, 19305, 19404, 20020, 20475, 20790, 21021, 21450, 22050, 22932, 23100, 24255, 24570, 25025, 25740, 26460, 26950, 27027, 27300, 28028, 28665, 29106, 29700, 30030, 31850, 32175, 32340, 33075, 34398, 34650, 35035, 35100, 36036, 38220, 38610, 40425, 40950, 41580, 42042, 42900, 44100, 45045, 47775, 48510, 49140, 50050, 51975, 53900, 54054, 57330, 58212, 60060, 61425, 63063, 63700, 64350, 66150, 68796, 69300, 70070, 72765, 75075, 77220, 80850, 81900, 84084, 85995, 90090, 95550, 96525, 97020, 100100, 103950, 105105, 108108, 114660, 121275, 122850, 126126, 128700, 132300, 135135, 140140, 143325, 145530, 150150, 161700, 171990, 175175, 180180, 189189, 191100, 193050, 207900, 210210, 225225, 242550, 245700, 252252, 270270, 286650, 291060, 300300, 315315, 343980, 350350, 363825, 378378, 386100, 420420, 429975, 450450, 485100, 525525, 540540, 573300, 630630, 675675, 700700, 727650, 756756, 859950, 900900, 945945, 1051050, 1261260, 1351350, 1455300, 1576575, 1719900, 1891890, 2102100, 2702700, 3153150, 3783780, 4729725, 6306300, 9459450, 18918900]

約数ペア:

[(1, 18918900), (2, 9459450), (3, 6306300), (4, 4729725), (5, 3783780), (6, 3153150), (7, 2702700), (9, 2102100), (10, 1891890), (11, 1719900), (12, 1576575), (13, 1455300), (14, 1351350), (15, 1261260), (18, 1051050), (20, 945945), (21, 900900), (22, 859950), (25, 756756), (26, 727650), (27, 700700), (28, 675675), (30, 630630), (33, 573300), (35, 540540), (36, 525525), (39, 485100), (42, 450450), (44, 429975), (45, 420420), (49, 386100), (50, 378378), (52, 363825), (54, 350350), (55, 343980), (60, 315315), (63, 300300), (65, 291060), (66, 286650), (70, 270270), (75, 252252), (77, 245700), (78, 242550), (84, 225225), (90, 210210), (91, 207900), (98, 193050), (99, 191100), (100, 189189), (105, 180180), (108, 175175), (110, 171990), (117, 161700), (126, 150150), (130, 145530), (132, 143325), (135, 140140), (140, 135135), (143, 132300), (147, 128700), (150, 126126), (154, 122850), (156, 121275), (165, 114660), (175, 108108), (180, 105105), (182, 103950), (189, 100100), (195, 97020), (196, 96525), (198, 95550), (210, 90090), (220, 85995), (225, 84084), (231, 81900), (234, 80850), (245, 77220), (252, 75075), (260, 72765), (270, 70070), (273, 69300), (275, 68796), (286, 66150), (294, 64350), (297, 63700), (300, 63063), (308, 61425), (315, 60060), (325, 58212), (330, 57330), (350, 54054), (351, 53900), (364, 51975), (378, 50050), (385, 49140), (390, 48510), (396, 47775), (420, 45045), (429, 44100), (441, 42900), (450, 42042), (455, 41580), (462, 40950), (468, 40425), (490, 38610), (495, 38220), (525, 36036), (539, 35100), (540, 35035), (546, 34650), (550, 34398), (572, 33075), (585, 32340), (588, 32175), (594, 31850), (630, 30030), (637, 29700), (650, 29106), (660, 28665), (675, 28028), (693, 27300), (700, 27027), (702, 26950), (715, 26460), (735, 25740), (756, 25025), (770, 24570), (780, 24255), (819, 23100), (825, 22932), (858, 22050), (882, 21450), (900, 21021), (910, 20790), (924, 20475), (945, 20020), (975, 19404), (980, 19305), (990, 19110), (1001, 18900), (1050, 18018), (1078, 17550), (1092, 17325), (1100, 17199), (1155, 16380), (1170, 16170), (1188, 15925), (1225, 15444), (1260, 15015), (1274, 14850), (1287, 14700), (1300, 14553), (1323, 14300), (1350, 14014), (1365, 13860), (1386, 13650), (1404, 13475), (1430, 13230), (1470, 12870), (1485, 12740), (1540, 12285), (1575, 12012), (1617, 11700), (1638, 11550), (1650, 11466), (1716, 11025), (1755, 10780), (1764, 10725), (1820, 10395), (1890, 10010), (1911, 9900), (1925, 9828), (1950, 9702), (1980, 9555), (2002, 9450), (2079, 9100), (2100, 9009), (2145, 8820), (2156, 8775), (2205, 8580), (2275, 8316), (2310, 8190), (2340, 8085), (2450, 7722), (2457, 7700), (2475, 7644), (2548, 7425), (2574, 7350), (2646, 7150), (2695, 7020), (2700, 7007), (2730, 6930), (2772, 6825), (2860, 6615), (2925, 6468), (2940, 6435), (2970, 6370), (3003, 6300), (3150, 6006), (3185, 5940), (3234, 5850), (3276, 5775), (3300, 5733), (3465, 5460), (3510, 5390), (3575, 5292), (3675, 5148), (3780, 5005), (3822, 4950), (3850, 4914), (3861, 4900), (3900, 4851), (4004, 4725), (4095, 4620), (4158, 4550), (4290, 4410)]