19999106

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1129}}^1$

素因数の和:1669

約数の個数: 16

約数和(自身を含む): 31852440

約数和(自身を除く): 11853334

約数列:

[1, 2, 17, 34, 521, 1042, 1129, 2258, 8857, 17714, 19193, 38386, 588209, 1176418, 9999553, 19999106]

約数ペア:

[(1, 19999106), (2, 9999553), (17, 1176418), (34, 588209), (521, 38386), (1042, 19193), (1129, 17714), (2258, 8857)]