18702840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 63705600

約数和(自身を除く): 45002760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 631, 741, 760, 780, 988, 1140, 1235, 1262, 1482, 1560, 1893, 1976, 2280, 2470, 2524, 2964, 3155, 3705, 3786, 4940, 5048, 5928, 6310, 7410, 7572, 8203, 9465, 9880, 11989, 12620, 14820, 15144, 16406, 18930, 23978, 24609, 25240, 29640, 32812, 35967, 37860, 41015, 47956, 49218, 59945, 65624, 71934, 75720, 82030, 95912, 98436, 119890, 123045, 143868, 155857, 164060, 179835, 196872, 239780, 246090, 287736, 311714, 328120, 359670, 467571, 479560, 492180, 623428, 719340, 779285, 935142, 984360, 1246856, 1438680, 1558570, 1870284, 2337855, 3117140, 3740568, 4675710, 6234280, 9351420, 18702840]

約数ペア:

[(1, 18702840), (2, 9351420), (3, 6234280), (4, 4675710), (5, 3740568), (6, 3117140), (8, 2337855), (10, 1870284), (12, 1558570), (13, 1438680), (15, 1246856), (19, 984360), (20, 935142), (24, 779285), (26, 719340), (30, 623428), (38, 492180), (39, 479560), (40, 467571), (52, 359670), (57, 328120), (60, 311714), (65, 287736), (76, 246090), (78, 239780), (95, 196872), (104, 179835), (114, 164060), (120, 155857), (130, 143868), (152, 123045), (156, 119890), (190, 98436), (195, 95912), (228, 82030), (247, 75720), (260, 71934), (285, 65624), (312, 59945), (380, 49218), (390, 47956), (456, 41015), (494, 37860), (520, 35967), (570, 32812), (631, 29640), (741, 25240), (760, 24609), (780, 23978), (988, 18930), (1140, 16406), (1235, 15144), (1262, 14820), (1482, 12620), (1560, 11989), (1893, 9880), (1976, 9465), (2280, 8203), (2470, 7572), (2524, 7410), (2964, 6310), (3155, 5928), (3705, 5048), (3786, 4940)]