13280164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 24615360

約数和(自身を除く): 11335196

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 887, 1774, 3548, 3743, 7486, 14972, 16853, 33706, 67412, 174739, 349478, 698956, 3320041, 6640082, 13280164]

約数ペア:

[(1, 13280164), (2, 6640082), (4, 3320041), (19, 698956), (38, 349478), (76, 174739), (197, 67412), (394, 33706), (788, 16853), (887, 14972), (1774, 7486), (3548, 3743)]