19738774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4957}}^1$

素因数の和:5151

約数の個数: 16

約数和(自身を含む): 32484816

約数和(自身を除く): 12746042

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4957, 9914, 54527, 109054, 897217, 1794434, 9869387, 19738774]

約数ペア:

[(1, 19738774), (2, 9869387), (11, 1794434), (22, 897217), (181, 109054), (362, 54527), (1991, 9914), (3982, 4957)]