19972946

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19543}}^1$

素因数の和:19625

約数の個数: 16

約数和(自身を含む): 34710144

約数和(自身を除く): 14737198

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19543, 39086, 136801, 273602, 1426639, 2853278, 9986473, 19972946]

約数ペア:

[(1, 19972946), (2, 9986473), (7, 2853278), (14, 1426639), (73, 273602), (146, 136801), (511, 39086), (1022, 19543)]