18651505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 23662080

約数和(自身を除く): 5010575

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2053, 9085, 10265, 47219, 162187, 236095, 810935, 3730301, 18651505]

約数ペア:

[(1, 18651505), (5, 3730301), (23, 810935), (79, 236095), (115, 162187), (395, 47219), (1817, 10265), (2053, 9085)]