18501873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3413}}^1$

素因数の和:3568

約数の個数: 16

約数和(自身を含む): 26765760

約数和(自身を除く): 8263887

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3413, 5421, 10239, 44369, 133107, 474407, 1423221, 6167291, 18501873]

約数ペア:

[(1, 18501873), (3, 6167291), (13, 1423221), (39, 474407), (139, 133107), (417, 44369), (1807, 10239), (3413, 5421)]