18988910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65479}}^1$

素因数の和:65515

約数の個数: 16

約数和(自身を含む): 35359200

約数和(自身を除く): 16370290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65479, 130958, 327395, 654790, 1898891, 3797782, 9494455, 18988910]

約数ペア:

[(1, 18988910), (2, 9494455), (5, 3797782), (10, 1898891), (29, 654790), (58, 327395), (145, 130958), (290, 65479)]