19116548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 37180416

約数和(自身を除く): 18063868

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 311, 484, 508, 622, 1244, 1397, 2794, 3421, 5588, 6842, 13684, 15367, 30734, 37631, 39497, 61468, 75262, 78994, 150524, 157988, 434467, 868934, 1737868, 4779137, 9558274, 19116548]

約数ペア:

[(1, 19116548), (2, 9558274), (4, 4779137), (11, 1737868), (22, 868934), (44, 434467), (121, 157988), (127, 150524), (242, 78994), (254, 75262), (311, 61468), (484, 39497), (508, 37631), (622, 30734), (1244, 15367), (1397, 13684), (2794, 6842), (3421, 5588)]