19958146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4241}}^1$

素因数の和:4437

約数の個数: 16

約数和(自身を含む): 32425848

約数和(自身を除く): 12467702

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4241, 4706, 8482, 55133, 110266, 767621, 1535242, 9979073, 19958146]

約数ペア:

[(1, 19958146), (2, 9979073), (13, 1535242), (26, 767621), (181, 110266), (362, 55133), (2353, 8482), (4241, 4706)]