18835465

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 25127424

約数和(自身を除く): 6291959

約数列:

[1, 5, 11, 55, 121, 163, 191, 605, 815, 955, 1793, 2101, 8965, 10505, 19723, 23111, 31133, 98615, 115555, 155665, 342463, 1712315, 3767093, 18835465]

約数ペア:

[(1, 18835465), (5, 3767093), (11, 1712315), (55, 342463), (121, 155665), (163, 115555), (191, 98615), (605, 31133), (815, 23111), (955, 19723), (1793, 10505), (2101, 8965)]