19918565576

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{30367}}^1$

素因数の和:30463

約数の個数: 128

約数和(自身を含む): 49589729280

約数和(自身を除く): 29671163704

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 53, 56, 68, 91, 104, 106, 119, 136, 182, 212, 221, 238, 364, 371, 424, 442, 476, 689, 728, 742, 884, 901, 952, 1378, 1484, 1547, 1768, 1802, 2756, 2968, 3094, 3604, 4823, 5512, 6188, 6307, 7208, 9646, 11713, 12376, 12614, 19292, 23426, 25228, 30367, 38584, 46852, 50456, 60734, 81991, 93704, 121468, 163982, 212569, 242936, 327964, 394771, 425138, 516239, 655928, 789542, 850276, 1032478, 1579084, 1609451, 1700552, 2064956, 2763397, 3158168, 3218902, 3613673, 4129912, 5526794, 6437804, 6711107, 7227346, 11053588, 11266157, 12875608, 13422214, 14454692, 20922863, 22107176, 22532314, 26844428, 27360667, 28909384, 41845726, 45064628, 46977749, 53688856, 54721334, 83691452, 90129256, 93955498, 109442668, 146460041, 167382904, 187910996, 191524669, 218885336, 292920082, 355688671, 375821992, 383049338, 585840164, 711377342, 766098676, 1171680328, 1422754684, 1532197352, 2489820697, 2845509368, 4979641394, 9959282788, 19918565576]

約数ペア:

[(1, 19918565576), (2, 9959282788), (4, 4979641394), (7, 2845509368), (8, 2489820697), (13, 1532197352), (14, 1422754684), (17, 1171680328), (26, 766098676), (28, 711377342), (34, 585840164), (52, 383049338), (53, 375821992), (56, 355688671), (68, 292920082), (91, 218885336), (104, 191524669), (106, 187910996), (119, 167382904), (136, 146460041), (182, 109442668), (212, 93955498), (221, 90129256), (238, 83691452), (364, 54721334), (371, 53688856), (424, 46977749), (442, 45064628), (476, 41845726), (689, 28909384), (728, 27360667), (742, 26844428), (884, 22532314), (901, 22107176), (952, 20922863), (1378, 14454692), (1484, 13422214), (1547, 12875608), (1768, 11266157), (1802, 11053588), (2756, 7227346), (2968, 6711107), (3094, 6437804), (3604, 5526794), (4823, 4129912), (5512, 3613673), (6188, 3218902), (6307, 3158168), (7208, 2763397), (9646, 2064956), (11713, 1700552), (12376, 1609451), (12614, 1579084), (19292, 1032478), (23426, 850276), (25228, 789542), (30367, 655928), (38584, 516239), (46852, 425138), (50456, 394771), (60734, 327964), (81991, 242936), (93704, 212569), (121468, 163982)]