19618027

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 23690448

約数和(自身を除く): 4072421

約数列:

[1, 11, 13, 61, 143, 169, 173, 671, 793, 1859, 1903, 2249, 8723, 10309, 10553, 24739, 29237, 113399, 116083, 137189, 321607, 1509079, 1783457, 19618027]

約数ペア:

[(1, 19618027), (11, 1783457), (13, 1509079), (61, 321607), (143, 137189), (169, 116083), (173, 113399), (671, 29237), (793, 24739), (1859, 10553), (1903, 10309), (2249, 8723)]