18904753

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 22865920

約数和(自身を除く): 3961167

約数列:

[1, 7, 19, 133, 307, 463, 2149, 3241, 5833, 8797, 40831, 61579, 142141, 994987, 2700679, 18904753]

約数ペア:

[(1, 18904753), (7, 2700679), (19, 994987), (133, 142141), (307, 61579), (463, 40831), (2149, 8797), (3241, 5833)]