18385708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37987}}^1$

素因数の和:38013

約数の個数: 18

約数和(自身を含む): 35366828

約数和(自身を除く): 16981120

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 37987, 75974, 151948, 417857, 835714, 1671428, 4596427, 9192854, 18385708]

約数ペア:

[(1, 18385708), (2, 9192854), (4, 4596427), (11, 1671428), (22, 835714), (44, 417857), (121, 151948), (242, 75974), (484, 37987)]