17961268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3881}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 34239240

約数和(自身を除く): 16277972

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 3881, 4628, 7762, 15524, 50453, 100906, 201812, 345409, 690818, 1381636, 4490317, 8980634, 17961268]

約数ペア:

[(1, 17961268), (2, 8980634), (4, 4490317), (13, 1381636), (26, 690818), (52, 345409), (89, 201812), (178, 100906), (356, 50453), (1157, 15524), (2314, 7762), (3881, 4628)]