19964361

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 27288000

約数和(自身を除く): 7323639

約数列:

[1, 3, 59, 149, 177, 447, 757, 2271, 8791, 26373, 44663, 112793, 133989, 338379, 6654787, 19964361]

約数ペア:

[(1, 19964361), (3, 6654787), (59, 338379), (149, 133989), (177, 112793), (447, 44663), (757, 26373), (2271, 8791)]