19643391

素因数分解:

$3^5\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 29636880

約数和(自身を除く): 9993489

約数列:

[1, 3, 9, 27, 81, 229, 243, 353, 687, 1059, 2061, 3177, 6183, 9531, 18549, 28593, 55647, 80837, 85779, 242511, 727533, 2182599, 6547797, 19643391]

約数ペア:

[(1, 19643391), (3, 6547797), (9, 2182599), (27, 727533), (81, 242511), (229, 85779), (243, 80837), (353, 55647), (687, 28593), (1059, 18549), (2061, 9531), (3177, 6183)]