18427795

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 23212800

約数和(自身を除く): 4785005

約数列:

[1, 5, 31, 61, 155, 305, 1891, 1949, 9455, 9745, 60419, 118889, 302095, 594445, 3685559, 18427795]

約数ペア:

[(1, 18427795), (5, 3685559), (31, 594445), (61, 302095), (155, 118889), (305, 60419), (1891, 9745), (1949, 9455)]