19718974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{10799}}^1$

素因数の和:10895

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12940226

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 10799, 21598, 118789, 237578, 896317, 1792634, 9859487, 19718974]

約数ペア:

[(1, 19718974), (2, 9859487), (11, 1792634), (22, 896317), (83, 237578), (166, 118789), (913, 21598), (1826, 10799)]