19198906

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1709}}^1$

素因数の和:1889

約数の個数: 16

約数和(自身を含む): 29733480

約数和(自身を除く): 10534574

約数列:

[1, 2, 41, 82, 137, 274, 1709, 3418, 5617, 11234, 70069, 140138, 234133, 468266, 9599453, 19198906]

約数ペア:

[(1, 19198906), (2, 9599453), (41, 468266), (82, 234133), (137, 140138), (274, 70069), (1709, 11234), (3418, 5617)]