19899906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255127}}^1$

素因数の和:255145

約数の個数: 16

約数和(自身を含む): 42861504

約数和(自身を除く): 22961598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255127, 510254, 765381, 1530762, 3316651, 6633302, 9949953, 19899906]

約数ペア:

[(1, 19899906), (2, 9949953), (3, 6633302), (6, 3316651), (13, 1530762), (26, 765381), (39, 510254), (78, 255127)]