19217689

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 20706048

約数和(自身を除く): 1488359

約数列:

[1, 37, 43, 47, 257, 1591, 1739, 2021, 9509, 11051, 12079, 74777, 408887, 446923, 519397, 19217689]

約数ペア:

[(1, 19217689), (37, 519397), (43, 446923), (47, 408887), (257, 74777), (1591, 12079), (1739, 11051), (2021, 9509)]