18653480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5903}}^1$

素因数の和:5993

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 23855320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5903, 11806, 23612, 29515, 47224, 59030, 118060, 236120, 466337, 932674, 1865348, 2331685, 3730696, 4663370, 9326740, 18653480]

約数ペア:

[(1, 18653480), (2, 9326740), (4, 4663370), (5, 3730696), (8, 2331685), (10, 1865348), (20, 932674), (40, 466337), (79, 236120), (158, 118060), (316, 59030), (395, 47224), (632, 29515), (790, 23612), (1580, 11806), (3160, 5903)]