18707438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1553}}^1$

素因数の和:1891

約数の個数: 16

約数和(自身を含む): 29650320

約数和(自身を除く): 10942882

約数列:

[1, 2, 19, 38, 317, 634, 1553, 3106, 6023, 12046, 29507, 59014, 492301, 984602, 9353719, 18707438]

約数ペア:

[(1, 18707438), (2, 9353719), (19, 984602), (38, 492301), (317, 59014), (634, 29507), (1553, 12046), (3106, 6023)]