18125020

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1493}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 38150784

約数和(自身を除く): 20025764

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1493, 2428, 2986, 3035, 5972, 6070, 7465, 12140, 14930, 29860, 906251, 1812502, 3625004, 4531255, 9062510, 18125020]

約数ペア:

[(1, 18125020), (2, 9062510), (4, 4531255), (5, 3625004), (10, 1812502), (20, 906251), (607, 29860), (1214, 14930), (1493, 12140), (2428, 7465), (2986, 6070), (3035, 5972)]