19946787

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23167}}^1$

素因数の和:23218

約数の個数: 16

約数和(自身を含む): 31137792

約数和(自身を除く): 11191005

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23167, 69501, 162169, 486507, 949847, 2849541, 6648929, 19946787]

約数ペア:

[(1, 19946787), (3, 6648929), (7, 2849541), (21, 949847), (41, 486507), (123, 162169), (287, 69501), (861, 23167)]