19922181

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12601}}^1$

素因数の和:12652

約数の個数: 16

約数和(自身を含む): 29035008

約数和(自身を除く): 9112827

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12601, 37803, 214217, 390631, 642651, 1171893, 6640727, 19922181]

約数ペア:

[(1, 19922181), (3, 6640727), (17, 1171893), (31, 642651), (51, 390631), (93, 214217), (527, 37803), (1581, 12601)]