19618918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{52457}}^1$

素因数の和:52487

約数の個数: 16

約数和(自身を含む): 33992784

約数和(自身を除く): 14373866

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 52457, 104914, 577027, 891769, 1154054, 1783538, 9809459, 19618918]

約数ペア:

[(1, 19618918), (2, 9809459), (11, 1783538), (17, 1154054), (22, 891769), (34, 577027), (187, 104914), (374, 52457)]