2179991718

素因数分解:

$2^1\times 3^4\times {\mathrm{13456739}}^1$

素因数の和:13456753

約数の個数: 20

約数和(自身を含む): 4884796620

約数和(自身を除く): 2704804902

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 13456739, 26913478, 40370217, 80740434, 121110651, 242221302, 363331953, 726663906, 1089995859, 2179991718]

約数ペア:

[(1, 2179991718), (2, 1089995859), (3, 726663906), (6, 363331953), (9, 242221302), (18, 121110651), (27, 80740434), (54, 40370217), (81, 26913478), (162, 13456739)]