15031318

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 24

約数和(自身を含む): 24140160

約数和(自身を除く): 9108842

約数列:

[1, 2, 19, 38, 109, 191, 218, 361, 382, 722, 2071, 3629, 4142, 7258, 20819, 39349, 41638, 68951, 78698, 137902, 395561, 791122, 7515659, 15031318]

約数ペア:

[(1, 15031318), (2, 7515659), (19, 791122), (38, 395561), (109, 137902), (191, 78698), (218, 68951), (361, 41638), (382, 39349), (722, 20819), (2071, 7258), (3629, 4142)]