19354820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3571}}^1$

素因数の和:3851

約数の個数: 24

約数和(自身を含む): 40806528

約数和(自身を除く): 21451708

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3571, 5420, 7142, 14284, 17855, 35710, 71420, 967741, 1935482, 3870964, 4838705, 9677410, 19354820]

約数ペア:

[(1, 19354820), (2, 9677410), (4, 4838705), (5, 3870964), (10, 1935482), (20, 967741), (271, 71420), (542, 35710), (1084, 17855), (1355, 14284), (2710, 7142), (3571, 5420)]