20180743479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{434471}}^1$

素因数の和:434887

約数の個数: 24

約数和(自身を含む): 31471413792

約数和(自身を除く): 11290670313

約数列:

[1, 3, 9, 13, 39, 117, 397, 1191, 3573, 5161, 15483, 46449, 434471, 1303413, 3910239, 5648123, 16944369, 50833107, 172484987, 517454961, 1552364883, 2242304831, 6726914493, 20180743479]

約数ペア:

[(1, 20180743479), (3, 6726914493), (9, 2242304831), (13, 1552364883), (39, 517454961), (117, 172484987), (397, 50833107), (1191, 16944369), (3573, 5648123), (5161, 3910239), (15483, 1303413), (46449, 434471)]