18738643

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1493}}^1$

素因数の和:1674

約数の個数: 16

約数和(自身を含む): 23521536

約数和(自身を除く): 4782893

約数列:

[1, 7, 11, 77, 163, 1141, 1493, 1793, 10451, 12551, 16423, 114961, 243359, 1703513, 2676949, 18738643]

約数ペア:

[(1, 18738643), (7, 2676949), (11, 1703513), (77, 243359), (163, 114961), (1141, 16423), (1493, 12551), (1793, 10451)]