18661155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73181}}^1$

素因数の和:73206

約数の個数: 16

約数和(自身を含む): 31614624

約数和(自身を除く): 12953469

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73181, 219543, 365905, 1097715, 1244077, 3732231, 6220385, 18661155]

約数ペア:

[(1, 18661155), (3, 6220385), (5, 3732231), (15, 1244077), (17, 1097715), (51, 365905), (85, 219543), (255, 73181)]