19799632

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11353}}^1$

素因数の和:11470

約数の個数: 20

約数和(自身を含む): 38717140

約数和(自身を除く): 18917508

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11353, 22706, 45412, 90824, 181648, 1237477, 2474954, 4949908, 9899816, 19799632]

約数ペア:

[(1, 19799632), (2, 9899816), (4, 4949908), (8, 2474954), (16, 1237477), (109, 181648), (218, 90824), (436, 45412), (872, 22706), (1744, 11353)]