18139946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43397}}^1$

素因数の和:43429

約数の個数: 16

約数和(自身を含む): 31246560

約数和(自身を除く): 13106614

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43397, 86794, 477367, 824543, 954734, 1649086, 9069973, 18139946]

約数ペア:

[(1, 18139946), (2, 9069973), (11, 1649086), (19, 954734), (22, 824543), (38, 477367), (209, 86794), (418, 43397)]