19689906

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{23609}}^1$

素因数の和:23753

約数の個数: 16

約数和(自身を含む): 39664800

約数和(自身を除く): 19974894

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 23609, 47218, 70827, 141654, 3281651, 6563302, 9844953, 19689906]

約数ペア:

[(1, 19689906), (2, 9844953), (3, 6563302), (6, 3281651), (139, 141654), (278, 70827), (417, 47218), (834, 23609)]