19858397

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 23042880

約数和(自身を除く): 3184483

約数列:

[1, 13, 17, 59, 221, 767, 1003, 1523, 13039, 19799, 25891, 89857, 336583, 1168141, 1527569, 19858397]

約数ペア:

[(1, 19858397), (13, 1527569), (17, 1168141), (59, 336583), (221, 89857), (767, 25891), (1003, 19799), (1523, 13039)]