19718427

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1283}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 27118080

約数和(自身を除く): 7399653

約数列:

[1, 3, 47, 109, 141, 327, 1283, 3849, 5123, 15369, 60301, 139847, 180903, 419541, 6572809, 19718427]

約数ペア:

[(1, 19718427), (3, 6572809), (47, 419541), (109, 180903), (141, 139847), (327, 60301), (1283, 15369), (3849, 5123)]