18797536

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21119264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 719, 817, 1376, 1438, 1634, 2876, 3268, 5752, 6536, 11504, 13072, 13661, 23008, 26144, 27322, 30917, 54644, 61834, 109288, 123668, 218576, 247336, 437152, 494672, 587423, 989344, 1174846, 2349692, 4699384, 9398768, 18797536]

約数ペア:

[(1, 18797536), (2, 9398768), (4, 4699384), (8, 2349692), (16, 1174846), (19, 989344), (32, 587423), (38, 494672), (43, 437152), (76, 247336), (86, 218576), (152, 123668), (172, 109288), (304, 61834), (344, 54644), (608, 30917), (688, 27322), (719, 26144), (817, 23008), (1376, 13661), (1438, 13072), (1634, 11504), (2876, 6536), (3268, 5752)]