19922475

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2437}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 33254320

約数和(自身を除く): 13331845

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2437, 2725, 7311, 8175, 12185, 36555, 60925, 182775, 265633, 796899, 1328165, 3984495, 6640825, 19922475]

約数ペア:

[(1, 19922475), (3, 6640825), (5, 3984495), (15, 1328165), (25, 796899), (75, 265633), (109, 182775), (327, 60925), (545, 36555), (1635, 12185), (2437, 8175), (2725, 7311)]