18764315

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 23004000

約数和(自身を除く): 4239685

約数列:

[1, 5, 89, 149, 283, 445, 745, 1415, 13261, 25187, 42167, 66305, 125935, 210835, 3752863, 18764315]

約数ペア:

[(1, 18764315), (5, 3752863), (89, 210835), (149, 125935), (283, 66305), (445, 42167), (745, 25187), (1415, 13261)]