18118870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23531}}^1$

素因数の和:23556

約数の個数: 32

約数和(自身を含む): 40663296

約数和(自身を除く): 22544426

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 23531, 47062, 117655, 164717, 235310, 258841, 329434, 517682, 823585, 1294205, 1647170, 1811887, 2588410, 3623774, 9059435, 18118870]

約数ペア:

[(1, 18118870), (2, 9059435), (5, 3623774), (7, 2588410), (10, 1811887), (11, 1647170), (14, 1294205), (22, 823585), (35, 517682), (55, 329434), (70, 258841), (77, 235310), (110, 164717), (154, 117655), (385, 47062), (770, 23531)]