18386470

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2087}}^1$

素因数の和:2975

約数の個数: 16

約数和(自身を含む): 33149088

約数和(自身を除く): 14762618

約数列:

[1, 2, 5, 10, 881, 1762, 2087, 4174, 4405, 8810, 10435, 20870, 1838647, 3677294, 9193235, 18386470]

約数ペア:

[(1, 18386470), (2, 9193235), (5, 3677294), (10, 1838647), (881, 20870), (1762, 10435), (2087, 8810), (4174, 4405)]