19744186

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4470

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 18461894

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4421, 4466, 8842, 30947, 48631, 61894, 97262, 128209, 256418, 340417, 680834, 897463, 1410299, 1794926, 2820598, 9872093, 19744186]

約数ペア:

[(1, 19744186), (2, 9872093), (7, 2820598), (11, 1794926), (14, 1410299), (22, 897463), (29, 680834), (58, 340417), (77, 256418), (154, 128209), (203, 97262), (319, 61894), (406, 48631), (638, 30947), (2233, 8842), (4421, 4466)]