19721364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 49918848

約数和(自身を除く): 30197484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 167, 334, 501, 668, 757, 1002, 1514, 2004, 2171, 2271, 3028, 4342, 4542, 6513, 8684, 9084, 9841, 13026, 19682, 26052, 29523, 39364, 59046, 118092, 126419, 252838, 379257, 505676, 758514, 1517028, 1643447, 3286894, 4930341, 6573788, 9860682, 19721364]

約数ペア:

[(1, 19721364), (2, 9860682), (3, 6573788), (4, 4930341), (6, 3286894), (12, 1643447), (13, 1517028), (26, 758514), (39, 505676), (52, 379257), (78, 252838), (156, 126419), (167, 118092), (334, 59046), (501, 39364), (668, 29523), (757, 26052), (1002, 19682), (1514, 13026), (2004, 9841), (2171, 9084), (2271, 8684), (3028, 6513), (4342, 4542)]