18379745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 24272640

約数和(自身を除く): 5892895

約数列:

[1, 5, 19, 31, 79, 95, 155, 395, 589, 1501, 2449, 2945, 6241, 7505, 12245, 31205, 46531, 118579, 193471, 232655, 592895, 967355, 3675949, 18379745]

約数ペア:

[(1, 18379745), (5, 3675949), (19, 967355), (31, 592895), (79, 232655), (95, 193471), (155, 118579), (395, 46531), (589, 31205), (1501, 12245), (2449, 7505), (2945, 6241)]