19696906

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 30004200

約数和(自身を除く): 10307294

約数列:

[1, 2, 149, 157, 298, 314, 421, 842, 23393, 46786, 62729, 66097, 125458, 132194, 9848453, 19696906]

約数ペア:

[(1, 19696906), (2, 9848453), (149, 132194), (157, 125458), (298, 66097), (314, 62729), (421, 46786), (842, 23393)]