18090904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 36756720

約数和(自身を除く): 18665816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 883, 1576, 1766, 2561, 3532, 5122, 7064, 10244, 11479, 20488, 22958, 45916, 91832, 173951, 347902, 695804, 1391608, 2261363, 4522726, 9045452, 18090904]

約数ペア:

[(1, 18090904), (2, 9045452), (4, 4522726), (8, 2261363), (13, 1391608), (26, 695804), (52, 347902), (104, 173951), (197, 91832), (394, 45916), (788, 22958), (883, 20488), (1576, 11479), (1766, 10244), (2561, 7064), (3532, 5122)]