18490204

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{29443}}^1$

素因数の和:29604

約数の個数: 12

約数和(自身を含む): 32565064

約数和(自身を除く): 14074860

約数列:

[1, 2, 4, 157, 314, 628, 29443, 58886, 117772, 4622551, 9245102, 18490204]

約数ペア:

[(1, 18490204), (2, 9245102), (4, 4622551), (157, 117772), (314, 58886), (628, 29443)]