19405737

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6143}}^1$

素因数の和:6171

約数の個数: 24

約数和(自身を含む): 31309824

約数和(自身を除く): 11904087

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6143, 18429, 55287, 79859, 165861, 239577, 497583, 718731, 1492749, 2156193, 6468579, 19405737]

約数ペア:

[(1, 19405737), (3, 6468579), (9, 2156193), (13, 1492749), (27, 718731), (39, 497583), (81, 239577), (117, 165861), (243, 79859), (351, 55287), (1053, 18429), (3159, 6143)]