15328972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 28531440

約数和(自身を除く): 13202468

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 1997, 3838, 3994, 7676, 7988, 37943, 75886, 151772, 201697, 403394, 806788, 3832243, 7664486, 15328972]

約数ペア:

[(1, 15328972), (2, 7664486), (4, 3832243), (19, 806788), (38, 403394), (76, 201697), (101, 151772), (202, 75886), (404, 37943), (1919, 7988), (1997, 7676), (3838, 3994)]