20181669879

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1069001}}^1$

素因数の和:1069071

約数の個数: 32

約数和(自身を含む): 32839741440

約数和(自身を除く): 12658071561

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 2697, 6293, 18879, 1069001, 3207003, 7483007, 22449021, 31001029, 33139031, 93003087, 99417093, 217007203, 231973217, 651021609, 695919651, 961031899, 2883095697, 6727223293, 20181669879]

約数ペア:

[(1, 20181669879), (3, 6727223293), (7, 2883095697), (21, 961031899), (29, 695919651), (31, 651021609), (87, 231973217), (93, 217007203), (203, 99417093), (217, 93003087), (609, 33139031), (651, 31001029), (899, 22449021), (2697, 7483007), (6293, 3207003), (18879, 1069001)]