18871042

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 28896192

約数和(自身を除く): 10025150

約数列:

[1, 2, 101, 103, 202, 206, 907, 1814, 10403, 20806, 91607, 93421, 183214, 186842, 9435521, 18871042]

約数ペア:

[(1, 18871042), (2, 9435521), (101, 186842), (103, 183214), (202, 93421), (206, 91607), (907, 20806), (1814, 10403)]