18072220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31159}}^1$

素因数の和:31197

約数の個数: 24

約数和(自身を含む): 39261600

約数和(自身を除く): 21189380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31159, 62318, 124636, 155795, 311590, 623180, 903611, 1807222, 3614444, 4518055, 9036110, 18072220]

約数ペア:

[(1, 18072220), (2, 9036110), (4, 4518055), (5, 3614444), (10, 1807222), (20, 903611), (29, 623180), (58, 311590), (116, 155795), (145, 124636), (290, 62318), (580, 31159)]