18257360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20747}}^1$

素因数の和:20771

約数の個数: 40

約数和(自身を含む): 46309536

約数和(自身を除く): 28052176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20747, 41494, 82988, 103735, 165976, 207470, 228217, 331952, 414940, 456434, 829880, 912868, 1141085, 1659760, 1825736, 2282170, 3651472, 4564340, 9128680, 18257360]

約数ペア:

[(1, 18257360), (2, 9128680), (4, 4564340), (5, 3651472), (8, 2282170), (10, 1825736), (11, 1659760), (16, 1141085), (20, 912868), (22, 829880), (40, 456434), (44, 414940), (55, 331952), (80, 228217), (88, 207470), (110, 165976), (176, 103735), (220, 82988), (440, 41494), (880, 20747)]