19411920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 320

約数和(自身を含む): 78566400

約数和(自身を除く): 59154480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 43, 44, 45, 48, 54, 55, 57, 60, 66, 72, 76, 80, 86, 88, 90, 95, 99, 108, 110, 114, 120, 129, 132, 135, 144, 152, 165, 171, 172, 176, 180, 190, 198, 209, 215, 216, 220, 228, 240, 258, 264, 270, 285, 297, 304, 330, 342, 344, 360, 380, 387, 396, 418, 430, 432, 440, 456, 473, 495, 513, 516, 528, 540, 570, 594, 627, 645, 660, 684, 688, 720, 760, 774, 792, 817, 836, 855, 860, 880, 912, 946, 990, 1026, 1032, 1045, 1080, 1140, 1161, 1188, 1254, 1290, 1320, 1368, 1419, 1485, 1520, 1548, 1584, 1634, 1672, 1710, 1720, 1881, 1892, 1935, 1980, 2052, 2064, 2090, 2160, 2280, 2322, 2365, 2376, 2451, 2508, 2565, 2580, 2640, 2736, 2838, 2970, 3096, 3135, 3268, 3344, 3420, 3440, 3762, 3784, 3870, 3960, 4085, 4104, 4180, 4257, 4560, 4644, 4730, 4752, 4902, 5016, 5130, 5160, 5643, 5676, 5805, 5940, 6192, 6270, 6536, 6840, 7095, 7353, 7524, 7568, 7740, 7920, 8170, 8208, 8360, 8514, 8987, 9288, 9405, 9460, 9804, 10032, 10260, 10320, 11286, 11352, 11610, 11880, 12255, 12540, 12771, 13072, 13680, 14190, 14706, 15048, 15480, 16340, 16720, 17028, 17974, 18576, 18810, 18920, 19608, 20520, 21285, 22059, 22572, 22704, 23220, 23760, 24510, 25080, 25542, 26961, 28215, 28380, 29412, 30096, 30960, 32680, 34056, 35948, 36765, 37620, 37840, 39216, 41040, 42570, 44118, 44935, 45144, 46440, 49020, 50160, 51084, 53922, 56430, 56760, 58824, 63855, 65360, 68112, 71896, 73530, 75240, 80883, 85140, 88236, 89870, 90288, 92880, 98040, 102168, 107844, 110295, 112860, 113520, 117648, 127710, 134805, 143792, 147060, 150480, 161766, 170280, 176472, 179740, 196080, 204336, 215688, 220590, 225720, 242649, 255420, 269610, 294120, 323532, 340560, 352944, 359480, 404415, 431376, 441180, 451440, 485298, 510840, 539220, 588240, 647064, 718960, 808830, 882360, 970596, 1021680, 1078440, 1213245, 1294128, 1617660, 1764720, 1941192, 2156880, 2426490, 3235320, 3882384, 4852980, 6470640, 9705960, 19411920]

約数ペア:

[(1, 19411920), (2, 9705960), (3, 6470640), (4, 4852980), (5, 3882384), (6, 3235320), (8, 2426490), (9, 2156880), (10, 1941192), (11, 1764720), (12, 1617660), (15, 1294128), (16, 1213245), (18, 1078440), (19, 1021680), (20, 970596), (22, 882360), (24, 808830), (27, 718960), (30, 647064), (33, 588240), (36, 539220), (38, 510840), (40, 485298), (43, 451440), (44, 441180), (45, 431376), (48, 404415), (54, 359480), (55, 352944), (57, 340560), (60, 323532), (66, 294120), (72, 269610), (76, 255420), (80, 242649), (86, 225720), (88, 220590), (90, 215688), (95, 204336), (99, 196080), (108, 179740), (110, 176472), (114, 170280), (120, 161766), (129, 150480), (132, 147060), (135, 143792), (144, 134805), (152, 127710), (165, 117648), (171, 113520), (172, 112860), (176, 110295), (180, 107844), (190, 102168), (198, 98040), (209, 92880), (215, 90288), (216, 89870), (220, 88236), (228, 85140), (240, 80883), (258, 75240), (264, 73530), (270, 71896), (285, 68112), (297, 65360), (304, 63855), (330, 58824), (342, 56760), (344, 56430), (360, 53922), (380, 51084), (387, 50160), (396, 49020), (418, 46440), (430, 45144), (432, 44935), (440, 44118), (456, 42570), (473, 41040), (495, 39216), (513, 37840), (516, 37620), (528, 36765), (540, 35948), (570, 34056), (594, 32680), (627, 30960), (645, 30096), (660, 29412), (684, 28380), (688, 28215), (720, 26961), (760, 25542), (774, 25080), (792, 24510), (817, 23760), (836, 23220), (855, 22704), (860, 22572), (880, 22059), (912, 21285), (946, 20520), (990, 19608), (1026, 18920), (1032, 18810), (1045, 18576), (1080, 17974), (1140, 17028), (1161, 16720), (1188, 16340), (1254, 15480), (1290, 15048), (1320, 14706), (1368, 14190), (1419, 13680), (1485, 13072), (1520, 12771), (1548, 12540), (1584, 12255), (1634, 11880), (1672, 11610), (1710, 11352), (1720, 11286), (1881, 10320), (1892, 10260), (1935, 10032), (1980, 9804), (2052, 9460), (2064, 9405), (2090, 9288), (2160, 8987), (2280, 8514), (2322, 8360), (2365, 8208), (2376, 8170), (2451, 7920), (2508, 7740), (2565, 7568), (2580, 7524), (2640, 7353), (2736, 7095), (2838, 6840), (2970, 6536), (3096, 6270), (3135, 6192), (3268, 5940), (3344, 5805), (3420, 5676), (3440, 5643), (3762, 5160), (3784, 5130), (3870, 5016), (3960, 4902), (4085, 4752), (4104, 4730), (4180, 4644), (4257, 4560)]