18401327

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 3993553

約数列:

[1, 7, 17, 119, 239, 647, 1673, 4063, 4529, 10999, 28441, 76993, 154633, 1082431, 2628761, 18401327]

約数ペア:

[(1, 18401327), (7, 2628761), (17, 1082431), (119, 154633), (239, 76993), (647, 28441), (1673, 10999), (4063, 4529)]