17894680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 42107040

約数和(自身を除く): 24212360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 113, 148, 185, 214, 226, 296, 370, 428, 452, 535, 565, 740, 856, 904, 1070, 1130, 1480, 2140, 2260, 3959, 4181, 4280, 4520, 7918, 8362, 12091, 15836, 16724, 19795, 20905, 24182, 31672, 33448, 39590, 41810, 48364, 60455, 79180, 83620, 96728, 120910, 158360, 167240, 241820, 447367, 483640, 894734, 1789468, 2236835, 3578936, 4473670, 8947340, 17894680]

約数ペア:

[(1, 17894680), (2, 8947340), (4, 4473670), (5, 3578936), (8, 2236835), (10, 1789468), (20, 894734), (37, 483640), (40, 447367), (74, 241820), (107, 167240), (113, 158360), (148, 120910), (185, 96728), (214, 83620), (226, 79180), (296, 60455), (370, 48364), (428, 41810), (452, 39590), (535, 33448), (565, 31672), (740, 24182), (856, 20905), (904, 19795), (1070, 16724), (1130, 15836), (1480, 12091), (2140, 8362), (2260, 7918), (3959, 4520), (4181, 4280)]