19928722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29221}}^1$

素因数の和:29265

約数の個数: 16

約数和(自身を含む): 33663744

約数和(自身を除く): 13735022

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29221, 58442, 321431, 642862, 905851, 1811702, 9964361, 19928722]

約数ペア:

[(1, 19928722), (2, 9964361), (11, 1811702), (22, 905851), (31, 642862), (62, 321431), (341, 58442), (682, 29221)]