19746774

素因数分解:

$2^1\times 3^3\times {\mathrm{503}}^1\times {\mathrm{727}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 24282666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 503, 727, 1006, 1454, 1509, 2181, 3018, 4362, 4527, 6543, 9054, 13086, 13581, 19629, 27162, 39258, 365681, 731362, 1097043, 2194086, 3291129, 6582258, 9873387, 19746774]

約数ペア:

[(1, 19746774), (2, 9873387), (3, 6582258), (6, 3291129), (9, 2194086), (18, 1097043), (27, 731362), (54, 365681), (503, 39258), (727, 27162), (1006, 19629), (1454, 13581), (1509, 13086), (2181, 9054), (3018, 6543), (4362, 4527)]