19596740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 41946156

約数和(自身を除く): 22349416

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 1570, 1580, 3140, 6241, 12403, 12482, 24806, 24964, 31205, 49612, 62015, 62410, 124030, 124820, 248060, 979837, 1959674, 3919348, 4899185, 9798370, 19596740]

約数ペア:

[(1, 19596740), (2, 9798370), (4, 4899185), (5, 3919348), (10, 1959674), (20, 979837), (79, 248060), (157, 124820), (158, 124030), (314, 62410), (316, 62015), (395, 49612), (628, 31205), (785, 24964), (790, 24806), (1570, 12482), (1580, 12403), (3140, 6241)]