18742569

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10607}}^1$

素因数の和:10660

約数の個数: 16

約数和(自身を含む): 27156480

約数和(自身を除く): 8413911

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 10607, 31821, 201533, 328817, 604599, 986451, 6247523, 18742569]

約数ペア:

[(1, 18742569), (3, 6247523), (19, 986451), (31, 604599), (57, 328817), (93, 201533), (589, 31821), (1767, 10607)]