19983976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146941}}^1$

素因数の和:146964

約数の個数: 16

約数和(自身を含む): 39674340

約数和(自身を除く): 19690364

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146941, 293882, 587764, 1175528, 2497997, 4995994, 9991988, 19983976]

約数ペア:

[(1, 19983976), (2, 9991988), (4, 4995994), (8, 2497997), (17, 1175528), (34, 587764), (68, 293882), (136, 146941)]