18872942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{10859}}^1$

素因数の和:10951

約数の個数: 16

約数和(自身を含む): 31276800

約数和(自身を除く): 12403858

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 10859, 21718, 119449, 238898, 857861, 1715722, 9436471, 18872942]

約数ペア:

[(1, 18872942), (2, 9436471), (11, 1715722), (22, 857861), (79, 238898), (158, 119449), (869, 21718), (1738, 10859)]