18905726

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9857}}^1$

素因数の和:10003

約数の個数: 16

約数和(自身を含む): 32649696

約数和(自身を除く): 13743970

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 9857, 19714, 68999, 137998, 1350409, 2700818, 9452863, 18905726]

約数ペア:

[(1, 18905726), (2, 9452863), (7, 2700818), (14, 1350409), (137, 137998), (274, 68999), (959, 19714), (1918, 9857)]