19928506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5851}}^1$

素因数の和:5997

約数の個数: 16

約数和(自身を含む): 32443488

約数和(自身を除く): 12514982

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 5851, 11702, 76063, 152126, 766481, 1532962, 9964253, 19928506]

約数ペア:

[(1, 19928506), (2, 9964253), (13, 1532962), (26, 766481), (131, 152126), (262, 76063), (1703, 11702), (3406, 5851)]