19628176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{29921}}^1$

素因数の和:29970

約数の個数: 20

約数和(自身を含む): 38958444

約数和(自身を除く): 19330268

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 29921, 59842, 119684, 239368, 478736, 1226761, 2453522, 4907044, 9814088, 19628176]

約数ペア:

[(1, 19628176), (2, 9814088), (4, 4907044), (8, 2453522), (16, 1226761), (41, 478736), (82, 239368), (164, 119684), (328, 59842), (656, 29921)]