18636790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26249}}^1$

素因数の和:26327

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 15383210

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26249, 52498, 131245, 262490, 1863679, 3727358, 9318395, 18636790]

約数ペア:

[(1, 18636790), (2, 9318395), (5, 3727358), (10, 1863679), (71, 262490), (142, 131245), (355, 52498), (710, 26249)]