18786141

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 31088640

約数和(自身を除く): 12302499

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1471, 4257, 4413, 12771, 13239, 16181, 39717, 48543, 63253, 145629, 189759, 436887, 569277, 695783, 1707831, 2087349, 6262047, 18786141]

約数ペア:

[(1, 18786141), (3, 6262047), (9, 2087349), (11, 1707831), (27, 695783), (33, 569277), (43, 436887), (99, 189759), (129, 145629), (297, 63253), (387, 48543), (473, 39717), (1161, 16181), (1419, 13239), (1471, 12771), (4257, 4413)]