18078723

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 10225917

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 809, 1719, 2427, 2483, 7281, 7449, 10517, 22347, 31551, 94653, 154519, 463557, 1390671, 2008747, 6026241, 18078723]

約数ペア:

[(1, 18078723), (3, 6026241), (9, 2008747), (13, 1390671), (39, 463557), (117, 154519), (191, 94653), (573, 31551), (809, 22347), (1719, 10517), (2427, 7449), (2483, 7281)]