19990878

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5297}}^1$

素因数の和:5356

約数の個数: 32

約数和(自身を含む): 43485984

約数和(自身を除く): 23495106

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774, 5297, 10594, 15891, 31782, 90049, 180098, 195989, 270147, 391978, 540294, 587967, 1175934, 3331813, 6663626, 9995439, 19990878]

約数ペア:

[(1, 19990878), (2, 9995439), (3, 6663626), (6, 3331813), (17, 1175934), (34, 587967), (37, 540294), (51, 391978), (74, 270147), (102, 195989), (111, 180098), (222, 90049), (629, 31782), (1258, 15891), (1887, 10594), (3774, 5297)]