19926856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146521}}^1$

素因数の和:146544

約数の個数: 16

約数和(自身を含む): 39560940

約数和(自身を除く): 19634084

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146521, 293042, 586084, 1172168, 2490857, 4981714, 9963428, 19926856]

約数ペア:

[(1, 19926856), (2, 9963428), (4, 4981714), (8, 2490857), (17, 1172168), (34, 586084), (68, 293042), (136, 146521)]