19631943

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5231}}^1$

素因数の和:5379

約数の個数: 16

約数和(自身を含む): 29299200

約数和(自身を除く): 9667257

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5231, 15693, 47079, 141237, 727109, 2181327, 6543981, 19631943]

約数ペア:

[(1, 19631943), (3, 6543981), (9, 2181327), (27, 727109), (139, 141237), (417, 47079), (1251, 15693), (3753, 5231)]