19868642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13308958

約数列:

[1, 2, 19, 23, 38, 46, 127, 179, 254, 358, 437, 874, 2413, 2921, 3401, 4117, 4826, 5842, 6802, 8234, 22733, 45466, 55499, 78223, 110998, 156446, 431927, 522859, 863854, 1045718, 9934321, 19868642]

約数ペア:

[(1, 19868642), (2, 9934321), (19, 1045718), (23, 863854), (38, 522859), (46, 431927), (127, 156446), (179, 110998), (254, 78223), (358, 55499), (437, 45466), (874, 22733), (2413, 8234), (2921, 6802), (3401, 5842), (4117, 4826)]