18742355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2063}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 5034925

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2063, 9085, 10315, 47449, 162977, 237245, 814885, 3748471, 18742355]

約数ペア:

[(1, 18742355), (5, 3748471), (23, 814885), (79, 237245), (115, 162977), (395, 47449), (1817, 10315), (2063, 9085)]