12421858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2999}}^1$

素因数の和:3129

約数の個数: 16

約数和(自身を含む): 19800000

約数和(自身を除く): 7378142

約数列:

[1, 2, 19, 38, 109, 218, 2071, 2999, 4142, 5998, 56981, 113962, 326891, 653782, 6210929, 12421858]

約数ペア:

[(1, 12421858), (2, 6210929), (19, 653782), (38, 326891), (109, 113962), (218, 56981), (2071, 5998), (2999, 4142)]