18100205

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 22999680

約数和(自身を除く): 4899475

約数列:

[1, 5, 29, 43, 145, 215, 1247, 2903, 6235, 14515, 84187, 124829, 420935, 624145, 3620041, 18100205]

約数ペア:

[(1, 18100205), (5, 3620041), (29, 624145), (43, 420935), (145, 124829), (215, 84187), (1247, 14515), (2903, 6235)]