18007690

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9949}}^1$

素因数の和:10137

約数の個数: 16

約数和(自身を含む): 32596200

約数和(自身を除く): 14588510

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 9949, 19898, 49745, 99490, 1800769, 3601538, 9003845, 18007690]

約数ペア:

[(1, 18007690), (2, 9003845), (5, 3601538), (10, 1800769), (181, 99490), (362, 49745), (905, 19898), (1810, 9949)]