19991084737

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{326561}}^1$

素因数の和:326868

約数の個数: 16

約数和(自身を含む): 22877627472

約数和(自身を除く): 2886542735

約数列:

[1, 13, 17, 221, 277, 3601, 4709, 61217, 326561, 4245293, 5551537, 72169981, 90457397, 1175946161, 1537775749, 19991084737]

約数ペア:

[(1, 19991084737), (13, 1537775749), (17, 1175946161), (221, 90457397), (277, 72169981), (3601, 5551537), (4709, 4245293), (61217, 326561)]