19929927

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 27412992

約数和(自身を除く): 7483065

約数列:

[1, 3, 47, 107, 141, 321, 1321, 3963, 5029, 15087, 62087, 141347, 186261, 424041, 6643309, 19929927]

約数ペア:

[(1, 19929927), (3, 6643309), (47, 424041), (107, 186261), (141, 141347), (321, 62087), (1321, 15087), (3963, 5029)]