18998103

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 26409600

約数和(自身を除く): 7411497

約数列:

[1, 3, 29, 87, 139, 417, 1571, 4031, 4713, 12093, 45559, 136677, 218369, 655107, 6332701, 18998103]

約数ペア:

[(1, 18998103), (3, 6332701), (29, 655107), (87, 218369), (139, 136677), (417, 45559), (1571, 12093), (4031, 4713)]