18457949

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 20328000

約数和(自身を除く): 1870051

約数列:

[1, 19, 29, 139, 241, 551, 2641, 4031, 4579, 6989, 33499, 76589, 132791, 636481, 971471, 18457949]

約数ペア:

[(1, 18457949), (19, 971471), (29, 636481), (139, 132791), (241, 76589), (551, 33499), (2641, 6989), (4031, 4579)]