18450940

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1069}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 20377220

約数列:

[1, 2, 4, 5, 10, 20, 863, 1069, 1726, 2138, 3452, 4276, 4315, 5345, 8630, 10690, 17260, 21380, 922547, 1845094, 3690188, 4612735, 9225470, 18450940]

約数ペア:

[(1, 18450940), (2, 9225470), (4, 4612735), (5, 3690188), (10, 1845094), (20, 922547), (863, 21380), (1069, 17260), (1726, 10690), (2138, 8630), (3452, 5345), (4276, 4315)]