19937297

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 21876480

約数和(自身を除く): 1939183

約数列:

[1, 23, 29, 71, 421, 667, 1633, 2059, 9683, 12209, 29891, 47357, 280807, 687493, 866839, 19937297]

約数ペア:

[(1, 19937297), (23, 866839), (29, 687493), (71, 280807), (421, 47357), (667, 29891), (1633, 12209), (2059, 9683)]