18865510

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8941}}^1$

素因数の和:9159

約数の個数: 16

約数和(自身を含む): 34122672

約数和(自身を除く): 15257162

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 8941, 17882, 44705, 89410, 1886551, 3773102, 9432755, 18865510]

約数ペア:

[(1, 18865510), (2, 9432755), (5, 3773102), (10, 1886551), (211, 89410), (422, 44705), (1055, 17882), (2110, 8941)]