19442620660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{504479}}^1$

素因数の和:504576

約数の個数: 48

約数和(自身を含む): 42715330560

約数和(自身を除く): 23272709900

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 19270, 38540, 504479, 1008958, 2017916, 2522395, 5044790, 10089580, 20683639, 23710513, 41367278, 47421026, 82734556, 94842052, 103418195, 118552565, 206836390, 237105130, 413672780, 474210260, 972131033, 1944262066, 3888524132, 4860655165, 9721310330, 19442620660]

約数ペア:

[(1, 19442620660), (2, 9721310330), (4, 4860655165), (5, 3888524132), (10, 1944262066), (20, 972131033), (41, 474210260), (47, 413672780), (82, 237105130), (94, 206836390), (164, 118552565), (188, 103418195), (205, 94842052), (235, 82734556), (410, 47421026), (470, 41367278), (820, 23710513), (940, 20683639), (1927, 10089580), (3854, 5044790), (7708, 2522395), (9635, 2017916), (19270, 1008958), (38540, 504479)]