9837820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25889}}^1$

素因数の和:25917

約数の個数: 24

約数和(自身を含む): 21747600

約数和(自身を除く): 11909780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25889, 51778, 103556, 129445, 258890, 491891, 517780, 983782, 1967564, 2459455, 4918910, 9837820]

約数ペア:

[(1, 9837820), (2, 4918910), (4, 2459455), (5, 1967564), (10, 983782), (19, 517780), (20, 491891), (38, 258890), (76, 129445), (95, 103556), (190, 51778), (380, 25889)]