12991478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{11789}}^1$

素因数の和:11839

約数の個数: 16

約数和(自身を含む): 21222000

約数和(自身を除く): 8230522

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 11789, 23578, 223991, 341881, 447982, 683762, 6495739, 12991478]

約数ペア:

[(1, 12991478), (2, 6495739), (19, 683762), (29, 447982), (38, 341881), (58, 223991), (551, 23578), (1102, 11789)]