18756265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{859}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 24644160

約数和(自身を除く): 5887895

約数列:

[1, 5, 11, 55, 397, 859, 1985, 4295, 4367, 9449, 21835, 47245, 341023, 1705115, 3751253, 18756265]

約数ペア:

[(1, 18756265), (5, 3751253), (11, 1705115), (55, 341023), (397, 47245), (859, 21835), (1985, 9449), (4295, 4367)]