18920180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32621}}^1$

素因数の和:32659

約数の個数: 24

約数和(自身を含む): 41103720

約数和(自身を除く): 22183540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32621, 65242, 130484, 163105, 326210, 652420, 946009, 1892018, 3784036, 4730045, 9460090, 18920180]

約数ペア:

[(1, 18920180), (2, 9460090), (4, 4730045), (5, 3784036), (10, 1892018), (20, 946009), (29, 652420), (58, 326210), (116, 163105), (145, 130484), (290, 65242), (580, 32621)]