18087685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4271}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 27272448

約数和(自身を除く): 9184763

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4271, 21355, 29897, 46981, 149485, 234905, 328867, 516791, 1644335, 2583955, 3617537, 18087685]

約数ペア:

[(1, 18087685), (5, 3617537), (7, 2583955), (11, 1644335), (35, 516791), (55, 328867), (77, 234905), (121, 149485), (385, 46981), (605, 29897), (847, 21355), (4235, 4271)]