18489220

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1523}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 38916864

約数和(自身を除く): 20427644

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1523, 2428, 3035, 3046, 6070, 6092, 7615, 12140, 15230, 30460, 924461, 1848922, 3697844, 4622305, 9244610, 18489220]

約数ペア:

[(1, 18489220), (2, 9244610), (4, 4622305), (5, 3697844), (10, 1848922), (20, 924461), (607, 30460), (1214, 15230), (1523, 12140), (2428, 7615), (3035, 6092), (3046, 6070)]