19997175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{24239}}^1$

素因数の和:24263

約数の個数: 24

約数和(自身を含む): 36069120

約数和(自身を除く): 16071945

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 24239, 72717, 121195, 266629, 363585, 605975, 799887, 1333145, 1817925, 3999435, 6665725, 19997175]

約数ペア:

[(1, 19997175), (3, 6665725), (5, 3999435), (11, 1817925), (15, 1333145), (25, 799887), (33, 605975), (55, 363585), (75, 266629), (165, 121195), (275, 72717), (825, 24239)]