18236860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12491}}^1$

素因数の和:12573

約数の個数: 24

約数和(自身を含む): 38825136

約数和(自身を除く): 20588276

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12491, 24982, 49964, 62455, 124910, 249820, 911843, 1823686, 3647372, 4559215, 9118430, 18236860]

約数ペア:

[(1, 18236860), (2, 9118430), (4, 4559215), (5, 3647372), (10, 1823686), (20, 911843), (73, 249820), (146, 124910), (292, 62455), (365, 49964), (730, 24982), (1460, 12491)]