17990728

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1033}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 38712960

約数和(自身を除く): 20722232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1033, 1244, 2066, 2177, 2488, 4132, 4354, 7231, 8264, 8708, 14462, 17416, 28924, 57848, 321263, 642526, 1285052, 2248841, 2570104, 4497682, 8995364, 17990728]

約数ペア:

[(1, 17990728), (2, 8995364), (4, 4497682), (7, 2570104), (8, 2248841), (14, 1285052), (28, 642526), (56, 321263), (311, 57848), (622, 28924), (1033, 17416), (1244, 14462), (2066, 8708), (2177, 8264), (2488, 7231), (4132, 4354)]