18071170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 72

約数和(自身を含む): 38427804

約数和(自身を除く): 20356634

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 169, 170, 185, 221, 289, 338, 370, 442, 481, 578, 629, 845, 962, 1105, 1258, 1445, 1690, 2210, 2405, 2873, 2890, 3145, 3757, 4810, 5746, 6253, 6290, 7514, 8177, 10693, 12506, 14365, 16354, 18785, 21386, 28730, 31265, 37570, 40885, 48841, 53465, 62530, 81770, 97682, 106301, 106930, 139009, 212602, 244205, 278018, 488410, 531505, 695045, 1063010, 1390090, 1807117, 3614234, 9035585, 18071170]

約数ペア:

[(1, 18071170), (2, 9035585), (5, 3614234), (10, 1807117), (13, 1390090), (17, 1063010), (26, 695045), (34, 531505), (37, 488410), (65, 278018), (74, 244205), (85, 212602), (130, 139009), (169, 106930), (170, 106301), (185, 97682), (221, 81770), (289, 62530), (338, 53465), (370, 48841), (442, 40885), (481, 37570), (578, 31265), (629, 28730), (845, 21386), (962, 18785), (1105, 16354), (1258, 14365), (1445, 12506), (1690, 10693), (2210, 8177), (2405, 7514), (2873, 6290), (2890, 6253), (3145, 5746), (3757, 4810)]