19808376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 57031680

約数和(自身を除く): 37223304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 157, 168, 314, 471, 628, 751, 942, 1099, 1256, 1502, 1884, 2198, 2253, 3004, 3297, 3768, 4396, 4506, 5257, 6008, 6594, 8792, 9012, 10514, 13188, 15771, 18024, 21028, 26376, 31542, 42056, 63084, 117907, 126168, 235814, 353721, 471628, 707442, 825349, 943256, 1414884, 1650698, 2476047, 2829768, 3301396, 4952094, 6602792, 9904188, 19808376]

約数ペア:

[(1, 19808376), (2, 9904188), (3, 6602792), (4, 4952094), (6, 3301396), (7, 2829768), (8, 2476047), (12, 1650698), (14, 1414884), (21, 943256), (24, 825349), (28, 707442), (42, 471628), (56, 353721), (84, 235814), (157, 126168), (168, 117907), (314, 63084), (471, 42056), (628, 31542), (751, 26376), (942, 21028), (1099, 18024), (1256, 15771), (1502, 13188), (1884, 10514), (2198, 9012), (2253, 8792), (3004, 6594), (3297, 6008), (3768, 5257), (4396, 4506)]