18895238

素因数分解:

$2^1\times {\mathrm{61}}^2\times {\mathrm{2539}}^1$

素因数の和:2663

約数の個数: 12

約数和(自身を含む): 28826460

約数和(自身を除く): 9931222

約数列:

[1, 2, 61, 122, 2539, 3721, 5078, 7442, 154879, 309758, 9447619, 18895238]

約数ペア:

[(1, 18895238), (2, 9447619), (61, 309758), (122, 154879), (2539, 7442), (3721, 5078)]