18125620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47699}}^1$

素因数の和:47727

約数の個数: 24

約数和(自身を含む): 40068000

約数和(自身を除く): 21942380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47699, 95398, 190796, 238495, 476990, 906281, 953980, 1812562, 3625124, 4531405, 9062810, 18125620]

約数ペア:

[(1, 18125620), (2, 9062810), (4, 4531405), (5, 3625124), (10, 1812562), (19, 953980), (20, 906281), (38, 476990), (76, 238495), (95, 190796), (190, 95398), (380, 47699)]