181989809

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1231}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 198696960

約数和(自身を除く): 16707151

約数列:

[1, 19, 31, 251, 589, 1231, 4769, 7781, 23389, 38161, 147839, 308981, 725059, 5870639, 9578411, 181989809]

約数ペア:

[(1, 181989809), (19, 9578411), (31, 5870639), (251, 725059), (589, 308981), (1231, 147839), (4769, 38161), (7781, 23389)]