18401579

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 21798336

約数和(自身を除く): 3396757

約数列:

[1, 7, 41, 97, 287, 661, 679, 3977, 4627, 27101, 27839, 64117, 189707, 448819, 2628797, 18401579]

約数ペア:

[(1, 18401579), (7, 2628797), (41, 448819), (97, 189707), (287, 64117), (661, 27839), (679, 27101), (3977, 4627)]