18977007

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12379}}^1$

素因数の和:12462

約数の個数: 16

約数和(自身を含む): 29315840

約数和(自身を除く): 10338833

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12379, 37137, 86653, 259959, 903667, 2711001, 6325669, 18977007]

約数ペア:

[(1, 18977007), (3, 6325669), (7, 2711001), (21, 903667), (73, 259959), (219, 86653), (511, 37137), (1533, 12379)]