18717507

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4591}}^1$

素因数の和:4751

約数の個数: 16

約数和(自身を含む): 27919360

約数和(自身を除く): 9201853

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4591, 13773, 41319, 123957, 693241, 2079723, 6239169, 18717507]

約数ペア:

[(1, 18717507), (3, 6239169), (9, 2079723), (27, 693241), (151, 123957), (453, 41319), (1359, 13773), (4077, 4591)]