16906580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44491}}^1$

素因数の和:44519

約数の個数: 24

約数和(自身を含む): 37373280

約数和(自身を除く): 20466700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44491, 88982, 177964, 222455, 444910, 845329, 889820, 1690658, 3381316, 4226645, 8453290, 16906580]

約数ペア:

[(1, 16906580), (2, 8453290), (4, 4226645), (5, 3381316), (10, 1690658), (19, 889820), (20, 845329), (38, 444910), (76, 222455), (95, 177964), (190, 88982), (380, 44491)]