19420107

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6653}}^1$

素因数の和:6802

約数の個数: 16

約数和(自身を含む): 29809920

約数和(自身を除く): 10389813

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6653, 19959, 46571, 139713, 924767, 2774301, 6473369, 19420107]

約数ペア:

[(1, 19420107), (3, 6473369), (7, 2774301), (21, 924767), (139, 139713), (417, 46571), (973, 19959), (2919, 6653)]