19953004

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 35900928

約数和(自身を除く): 15947924

約数列:

[1, 2, 4, 47, 94, 188, 211, 422, 503, 844, 1006, 2012, 9917, 19834, 23641, 39668, 47282, 94564, 106133, 212266, 424532, 4988251, 9976502, 19953004]

約数ペア:

[(1, 19953004), (2, 9976502), (4, 4988251), (47, 424532), (94, 212266), (188, 106133), (211, 94564), (422, 47282), (503, 39668), (844, 23641), (1006, 19834), (2012, 9917)]