199909754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{478253}}^1$

素因数の和:478285

約数の個数: 16

約数和(自身を含む): 344342880

約数和(自身を除く): 144433126

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 478253, 956506, 5260783, 9086807, 10521566, 18173614, 99954877, 199909754]

約数ペア:

[(1, 199909754), (2, 99954877), (11, 18173614), (19, 10521566), (22, 9086807), (38, 5260783), (209, 956506), (418, 478253)]