19970786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47777}}^1$

素因数の和:47809

約数の個数: 16

約数和(自身を含む): 34400160

約数和(自身を除く): 14429374

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47777, 95554, 525547, 907763, 1051094, 1815526, 9985393, 19970786]

約数ペア:

[(1, 19970786), (2, 9985393), (11, 1815526), (19, 1051094), (22, 907763), (38, 525547), (209, 95554), (418, 47777)]