19043222

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{78691}}^1$

素因数の和:78715

約数の個数: 12

約数和(自身を含む): 31398108

約数和(自身を除く): 12354886

約数列:

[1, 2, 11, 22, 121, 242, 78691, 157382, 865601, 1731202, 9521611, 19043222]

約数ペア:

[(1, 19043222), (2, 9521611), (11, 1731202), (22, 865601), (121, 157382), (242, 78691)]