18870814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{941}}^1$

素因数の和:1251

約数の個数: 16

約数和(自身を含む): 29209536

約数和(自身を除く): 10338722

約数列:

[1, 2, 37, 74, 271, 542, 941, 1882, 10027, 20054, 34817, 69634, 255011, 510022, 9435407, 18870814]

約数ペア:

[(1, 18870814), (2, 9435407), (37, 510022), (74, 255011), (271, 69634), (542, 34817), (941, 20054), (1882, 10027)]