17721946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{42397}}^1$

素因数の和:42429

約数の個数: 16

約数和(自身を含む): 30526560

約数和(自身を除く): 12804614

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 42397, 84794, 466367, 805543, 932734, 1611086, 8860973, 17721946]

約数ペア:

[(1, 17721946), (2, 8860973), (11, 1611086), (19, 932734), (22, 805543), (38, 466367), (209, 84794), (418, 42397)]