19453260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{929}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 54684000

約数和(自身を除く): 35230740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 929, 1047, 1396, 1745, 1858, 2094, 2787, 3490, 3716, 4188, 4645, 5235, 5574, 6980, 9290, 10470, 11148, 13935, 18580, 20940, 27870, 55740, 324221, 648442, 972663, 1296884, 1621105, 1945326, 3242210, 3890652, 4863315, 6484420, 9726630, 19453260]

約数ペア:

[(1, 19453260), (2, 9726630), (3, 6484420), (4, 4863315), (5, 3890652), (6, 3242210), (10, 1945326), (12, 1621105), (15, 1296884), (20, 972663), (30, 648442), (60, 324221), (349, 55740), (698, 27870), (929, 20940), (1047, 18580), (1396, 13935), (1745, 11148), (1858, 10470), (2094, 9290), (2787, 6980), (3490, 5574), (3716, 5235), (4188, 4645)]