18710480

素因数分解:

$2^4\times 5^1\times {\mathrm{233881}}^1$

素因数の和:233894

約数の個数: 20

約数和(自身を含む): 43502052

約数和(自身を除く): 24791572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233881, 467762, 935524, 1169405, 1871048, 2338810, 3742096, 4677620, 9355240, 18710480]

約数ペア:

[(1, 18710480), (2, 9355240), (4, 4677620), (5, 3742096), (8, 2338810), (10, 1871048), (16, 1169405), (20, 935524), (40, 467762), (80, 233881)]