19490360

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1663}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 24539080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1663, 2344, 2930, 3326, 5860, 6652, 8315, 11720, 13304, 16630, 33260, 66520, 487259, 974518, 1949036, 2436295, 3898072, 4872590, 9745180, 19490360]

約数ペア:

[(1, 19490360), (2, 9745180), (4, 4872590), (5, 3898072), (8, 2436295), (10, 1949036), (20, 974518), (40, 487259), (293, 66520), (586, 33260), (1172, 16630), (1465, 13304), (1663, 11720), (2344, 8315), (2930, 6652), (3326, 5860)]