20191723016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1\times {\mathrm{3931}}^1$

素因数の和:4722

約数の個数: 64

約数和(自身を含む): 40766976000

約数和(自身を除く): 20575252984

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 719, 893, 1438, 1786, 2876, 3572, 3931, 5752, 7144, 7862, 13661, 15724, 27322, 31448, 33793, 54644, 67586, 74689, 109288, 135172, 149378, 184757, 270344, 298756, 369514, 597512, 642067, 739028, 1284134, 1478056, 2568268, 2826389, 3510383, 5136536, 5652778, 7020766, 11305556, 14041532, 22611112, 28083064, 53701391, 107402782, 132840283, 214805564, 265680566, 429611128, 531361132, 1062722264, 2523965377, 5047930754, 10095861508, 20191723016]

約数ペア:

[(1, 20191723016), (2, 10095861508), (4, 5047930754), (8, 2523965377), (19, 1062722264), (38, 531361132), (47, 429611128), (76, 265680566), (94, 214805564), (152, 132840283), (188, 107402782), (376, 53701391), (719, 28083064), (893, 22611112), (1438, 14041532), (1786, 11305556), (2876, 7020766), (3572, 5652778), (3931, 5136536), (5752, 3510383), (7144, 2826389), (7862, 2568268), (13661, 1478056), (15724, 1284134), (27322, 739028), (31448, 642067), (33793, 597512), (54644, 369514), (67586, 298756), (74689, 270344), (109288, 184757), (135172, 149378)]