19396827

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5624

約数の個数: 20

約数和(自身を含む): 29654680

約数和(自身を除く): 10257853

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5569, 16707, 50121, 150363, 239467, 451089, 718401, 2155203, 6465609, 19396827]

約数ペア:

[(1, 19396827), (3, 6465609), (9, 2155203), (27, 718401), (43, 451089), (81, 239467), (129, 150363), (387, 50121), (1161, 16707), (3483, 5569)]