19503090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 31602510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1559, 2085, 2502, 3118, 4170, 4677, 6255, 7795, 9354, 12510, 14031, 15590, 23385, 28062, 46770, 70155, 140310, 216701, 433402, 650103, 1083505, 1300206, 1950309, 2167010, 3250515, 3900618, 6501030, 9751545, 19503090]

約数ペア:

[(1, 19503090), (2, 9751545), (3, 6501030), (5, 3900618), (6, 3250515), (9, 2167010), (10, 1950309), (15, 1300206), (18, 1083505), (30, 650103), (45, 433402), (90, 216701), (139, 140310), (278, 70155), (417, 46770), (695, 28062), (834, 23385), (1251, 15590), (1390, 14031), (1559, 12510), (2085, 9354), (2502, 7795), (3118, 6255), (4170, 4677)]