18675260

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3323}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 39369456

約数和(自身を除く): 20694196

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3323, 5620, 6646, 13292, 16615, 33230, 66460, 933763, 1867526, 3735052, 4668815, 9337630, 18675260]

約数ペア:

[(1, 18675260), (2, 9337630), (4, 4668815), (5, 3735052), (10, 1867526), (20, 933763), (281, 66460), (562, 33230), (1124, 16615), (1405, 13292), (2810, 6646), (3323, 5620)]