18590420

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1373}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 39126024

約数和(自身を除く): 20535604

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1373, 2708, 2746, 3385, 5492, 6770, 6865, 13540, 13730, 27460, 929521, 1859042, 3718084, 4647605, 9295210, 18590420]

約数ペア:

[(1, 18590420), (2, 9295210), (4, 4647605), (5, 3718084), (10, 1859042), (20, 929521), (677, 27460), (1354, 13730), (1373, 13540), (2708, 6865), (2746, 6770), (3385, 5492)]