18868465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{49009}}^1$

素因数の和:49032

約数の個数: 16

約数和(自身を含む): 28229760

約数和(自身を除く): 9361295

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 49009, 245045, 343063, 539099, 1715315, 2695495, 3773693, 18868465]

約数ペア:

[(1, 18868465), (5, 3773693), (7, 2695495), (11, 1715315), (35, 539099), (55, 343063), (77, 245045), (385, 49009)]