19710251

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 22046688

約数和(自身を除く): 2336437

約数列:

[1, 11, 101, 113, 157, 1111, 1243, 1727, 11413, 15857, 17741, 125543, 174427, 195151, 1791841, 19710251]

約数ペア:

[(1, 19710251), (11, 1791841), (101, 195151), (113, 174427), (157, 125543), (1111, 17741), (1243, 15857), (1727, 11413)]