18513170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8377}}^1$

素因数の和:8414

約数の個数: 32

約数和(自身を含む): 38002608

約数和(自身を除く): 19489438

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8377, 16754, 41885, 83770, 108901, 142409, 217802, 284818, 544505, 712045, 1089010, 1424090, 1851317, 3702634, 9256585, 18513170]

約数ペア:

[(1, 18513170), (2, 9256585), (5, 3702634), (10, 1851317), (13, 1424090), (17, 1089010), (26, 712045), (34, 544505), (65, 284818), (85, 217802), (130, 142409), (170, 108901), (221, 83770), (442, 41885), (1105, 16754), (2210, 8377)]