19979179

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 22417920

約数和(自身を除く): 2438741

約数列:

[1, 11, 79, 83, 277, 869, 913, 3047, 6557, 21883, 22991, 72127, 240713, 252901, 1816289, 19979179]

約数ペア:

[(1, 19979179), (11, 1816289), (79, 252901), (83, 240713), (277, 72127), (869, 22991), (913, 21883), (3047, 6557)]