18788275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6211}}^1$

素因数の和:6243

約数の個数: 18

約数和(自身を含む): 25612076

約数和(自身を除く): 6823801

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6211, 31055, 68321, 155275, 341605, 751531, 1708025, 3757655, 18788275]

約数ペア:

[(1, 18788275), (5, 3757655), (11, 1708025), (25, 751531), (55, 341605), (121, 155275), (275, 68321), (605, 31055), (3025, 6211)]