18656889

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1637}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 7289031

約数列:

[1, 3, 29, 87, 131, 393, 1637, 3799, 4911, 11397, 47473, 142419, 214447, 643341, 6218963, 18656889]

約数ペア:

[(1, 18656889), (3, 6218963), (29, 643341), (87, 214447), (131, 142419), (393, 47473), (1637, 11397), (3799, 4911)]