19287780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3121}}^1$

素因数の和:3236

約数の個数: 48

約数和(自身を含む): 54547584

約数和(自身を除く): 35259804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3121, 6180, 6242, 9363, 12484, 15605, 18726, 31210, 37452, 46815, 62420, 93630, 187260, 321463, 642926, 964389, 1285852, 1607315, 1928778, 3214630, 3857556, 4821945, 6429260, 9643890, 19287780]

約数ペア:

[(1, 19287780), (2, 9643890), (3, 6429260), (4, 4821945), (5, 3857556), (6, 3214630), (10, 1928778), (12, 1607315), (15, 1285852), (20, 964389), (30, 642926), (60, 321463), (103, 187260), (206, 93630), (309, 62420), (412, 46815), (515, 37452), (618, 31210), (1030, 18726), (1236, 15605), (1545, 12484), (2060, 9363), (3090, 6242), (3121, 6180)]