18520041

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5507}}^1$

素因数の和:5588

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 7918359

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 5507, 16521, 104633, 313899, 324913, 974739, 6173347, 18520041]

約数ペア:

[(1, 18520041), (3, 6173347), (19, 974739), (57, 324913), (59, 313899), (177, 104633), (1121, 16521), (3363, 5507)]