18480208

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17239}}^1$

素因数の和:17314

約数の個数: 20

約数和(自身を含む): 36341920

約数和(自身を除く): 17861712

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17239, 34478, 68956, 137912, 275824, 1155013, 2310026, 4620052, 9240104, 18480208]

約数ペア:

[(1, 18480208), (2, 9240104), (4, 4620052), (8, 2310026), (16, 1155013), (67, 275824), (134, 137912), (268, 68956), (536, 34478), (1072, 17239)]