18661588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38557}}^1$

素因数の和:38583

約数の個数: 18

約数和(自身を含む): 35897498

約数和(自身を除く): 17235910

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38557, 77114, 154228, 424127, 848254, 1696508, 4665397, 9330794, 18661588]

約数ペア:

[(1, 18661588), (2, 9330794), (4, 4665397), (11, 1696508), (22, 848254), (44, 424127), (121, 154228), (242, 77114), (484, 38557)]