13047184

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19889}}^1$

素因数の和:19938

約数の個数: 20

約数和(自身を含む): 25896780

約数和(自身を除く): 12849596

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19889, 39778, 79556, 159112, 318224, 815449, 1630898, 3261796, 6523592, 13047184]

約数ペア:

[(1, 13047184), (2, 6523592), (4, 3261796), (8, 1630898), (16, 815449), (41, 318224), (82, 159112), (164, 79556), (328, 39778), (656, 19889)]