18516025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6121}}^1$

素因数の和:6153

約数の個数: 18

約数和(自身を含む): 25241006

約数和(自身を除く): 6724981

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6121, 30605, 67331, 153025, 336655, 740641, 1683275, 3703205, 18516025]

約数ペア:

[(1, 18516025), (5, 3703205), (11, 1683275), (25, 740641), (55, 336655), (121, 153025), (275, 67331), (605, 30605), (3025, 6121)]