18601380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 288

約数和(自身を含む): 72777600

約数和(自身を除く): 54176220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 37, 38, 42, 45, 49, 54, 57, 60, 63, 70, 74, 76, 84, 90, 95, 98, 105, 108, 111, 114, 126, 133, 135, 140, 147, 148, 171, 180, 185, 189, 190, 196, 210, 222, 228, 245, 252, 259, 266, 270, 285, 294, 315, 333, 342, 370, 378, 380, 399, 420, 441, 444, 490, 513, 518, 532, 540, 555, 570, 588, 630, 665, 666, 684, 703, 735, 740, 756, 777, 798, 855, 882, 931, 945, 980, 999, 1026, 1036, 1110, 1140, 1197, 1260, 1295, 1323, 1330, 1332, 1406, 1470, 1554, 1596, 1665, 1710, 1764, 1813, 1862, 1890, 1995, 1998, 2052, 2109, 2205, 2220, 2331, 2394, 2565, 2590, 2646, 2660, 2793, 2812, 2940, 3108, 3330, 3420, 3515, 3591, 3626, 3724, 3780, 3885, 3990, 3996, 4218, 4410, 4655, 4662, 4788, 4921, 4995, 5130, 5180, 5292, 5439, 5586, 5985, 6327, 6615, 6660, 6993, 7030, 7182, 7252, 7770, 7980, 8379, 8436, 8820, 9065, 9310, 9324, 9842, 9990, 10260, 10545, 10878, 11172, 11655, 11970, 12654, 13230, 13965, 13986, 14060, 14364, 14763, 15540, 16317, 16758, 17955, 18130, 18620, 18981, 19684, 19980, 21090, 21756, 23310, 23940, 24605, 25137, 25308, 26460, 27195, 27930, 27972, 29526, 31635, 32634, 33516, 34447, 34965, 35910, 36260, 37962, 41895, 42180, 44289, 46620, 48951, 49210, 50274, 54390, 55860, 59052, 63270, 65268, 68894, 69930, 71820, 73815, 75924, 81585, 83790, 88578, 94905, 97902, 98420, 100548, 103341, 108780, 125685, 126540, 132867, 137788, 139860, 147630, 163170, 167580, 172235, 177156, 189810, 195804, 206682, 221445, 244755, 251370, 265734, 295260, 310023, 326340, 344470, 379620, 413364, 442890, 489510, 502740, 516705, 531468, 620046, 664335, 688940, 885780, 930069, 979020, 1033410, 1240092, 1328670, 1550115, 1860138, 2066820, 2657340, 3100230, 3720276, 4650345, 6200460, 9300690, 18601380]

約数ペア:

[(1, 18601380), (2, 9300690), (3, 6200460), (4, 4650345), (5, 3720276), (6, 3100230), (7, 2657340), (9, 2066820), (10, 1860138), (12, 1550115), (14, 1328670), (15, 1240092), (18, 1033410), (19, 979020), (20, 930069), (21, 885780), (27, 688940), (28, 664335), (30, 620046), (35, 531468), (36, 516705), (37, 502740), (38, 489510), (42, 442890), (45, 413364), (49, 379620), (54, 344470), (57, 326340), (60, 310023), (63, 295260), (70, 265734), (74, 251370), (76, 244755), (84, 221445), (90, 206682), (95, 195804), (98, 189810), (105, 177156), (108, 172235), (111, 167580), (114, 163170), (126, 147630), (133, 139860), (135, 137788), (140, 132867), (147, 126540), (148, 125685), (171, 108780), (180, 103341), (185, 100548), (189, 98420), (190, 97902), (196, 94905), (210, 88578), (222, 83790), (228, 81585), (245, 75924), (252, 73815), (259, 71820), (266, 69930), (270, 68894), (285, 65268), (294, 63270), (315, 59052), (333, 55860), (342, 54390), (370, 50274), (378, 49210), (380, 48951), (399, 46620), (420, 44289), (441, 42180), (444, 41895), (490, 37962), (513, 36260), (518, 35910), (532, 34965), (540, 34447), (555, 33516), (570, 32634), (588, 31635), (630, 29526), (665, 27972), (666, 27930), (684, 27195), (703, 26460), (735, 25308), (740, 25137), (756, 24605), (777, 23940), (798, 23310), (855, 21756), (882, 21090), (931, 19980), (945, 19684), (980, 18981), (999, 18620), (1026, 18130), (1036, 17955), (1110, 16758), (1140, 16317), (1197, 15540), (1260, 14763), (1295, 14364), (1323, 14060), (1330, 13986), (1332, 13965), (1406, 13230), (1470, 12654), (1554, 11970), (1596, 11655), (1665, 11172), (1710, 10878), (1764, 10545), (1813, 10260), (1862, 9990), (1890, 9842), (1995, 9324), (1998, 9310), (2052, 9065), (2109, 8820), (2205, 8436), (2220, 8379), (2331, 7980), (2394, 7770), (2565, 7252), (2590, 7182), (2646, 7030), (2660, 6993), (2793, 6660), (2812, 6615), (2940, 6327), (3108, 5985), (3330, 5586), (3420, 5439), (3515, 5292), (3591, 5180), (3626, 5130), (3724, 4995), (3780, 4921), (3885, 4788), (3990, 4662), (3996, 4655), (4218, 4410)]