18890465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18077}}^1$

素因数の和:18112

約数の個数: 16

約数和(自身を含む): 26032320

約数和(自身を除く): 7141855

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18077, 90385, 198847, 343463, 994235, 1717315, 3778093, 18890465]

約数ペア:

[(1, 18890465), (5, 3778093), (11, 1717315), (19, 994235), (55, 343463), (95, 198847), (209, 90385), (1045, 18077)]