18512860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11717}}^1$

素因数の和:11805

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 20859620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11717, 23434, 46868, 58585, 117170, 234340, 925643, 1851286, 3702572, 4628215, 9256430, 18512860]

約数ペア:

[(1, 18512860), (2, 9256430), (4, 4628215), (5, 3702572), (10, 1851286), (20, 925643), (79, 234340), (158, 117170), (316, 58585), (395, 46868), (790, 23434), (1580, 11717)]