19937423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 22653312

約数和(自身を除く): 2715889

約数列:

[1, 11, 43, 61, 473, 671, 691, 2623, 7601, 28853, 29713, 42151, 326843, 463661, 1812493, 19937423]

約数ペア:

[(1, 19937423), (11, 1812493), (43, 463661), (61, 326843), (473, 42151), (671, 29713), (691, 28853), (2623, 7601)]