320480638

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{443879}}^1$

素因数の和:443919

約数の個数: 12

約数和(自身を含む): 507354840

約数和(自身を除く): 186874202

約数列:

[1, 2, 19, 38, 361, 722, 443879, 887758, 8433701, 16867402, 160240319, 320480638]

約数ペア:

[(1, 320480638), (2, 160240319), (19, 16867402), (38, 8433701), (361, 887758), (722, 443879)]