18130940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47713}}^1$

素因数の和:47741

約数の個数: 24

約数和(自身を含む): 40079760

約数和(自身を除く): 21948820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47713, 95426, 190852, 238565, 477130, 906547, 954260, 1813094, 3626188, 4532735, 9065470, 18130940]

約数ペア:

[(1, 18130940), (2, 9065470), (4, 4532735), (5, 3626188), (10, 1813094), (19, 954260), (20, 906547), (38, 477130), (76, 238565), (95, 190852), (190, 95426), (380, 47713)]