18051830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41981}}^1$

素因数の和:42031

約数の個数: 16

約数和(自身を含む): 33249744

約数和(自身を除く): 15197914

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 41981, 83962, 209905, 419810, 1805183, 3610366, 9025915, 18051830]

約数ペア:

[(1, 18051830), (2, 9025915), (5, 3610366), (10, 1805183), (43, 419810), (86, 209905), (215, 83962), (430, 41981)]