18180910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8699}}^1$

素因数の和:8736

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 19403090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 8699, 17398, 43495, 86990, 95689, 165281, 191378, 330562, 478445, 826405, 956890, 1652810, 1818091, 3636182, 9090455, 18180910]

約数ペア:

[(1, 18180910), (2, 9090455), (5, 3636182), (10, 1818091), (11, 1652810), (19, 956890), (22, 826405), (38, 478445), (55, 330562), (95, 191378), (110, 165281), (190, 95689), (209, 86990), (418, 43495), (1045, 17398), (2090, 8699)]