18380936

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{857}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 21155704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 857, 1532, 1714, 2681, 3064, 3428, 5362, 5999, 6856, 10724, 11998, 21448, 23996, 47992, 328231, 656462, 1312924, 2297617, 2625848, 4595234, 9190468, 18380936]

約数ペア:

[(1, 18380936), (2, 9190468), (4, 4595234), (7, 2625848), (8, 2297617), (14, 1312924), (28, 656462), (56, 328231), (383, 47992), (766, 23996), (857, 21448), (1532, 11998), (1714, 10724), (2681, 6856), (3064, 5999), (3428, 5362)]