19472020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13337}}^1$

素因数の和:13419

約数の個数: 24

約数和(自身を含む): 41454504

約数和(自身を除く): 21982484

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13337, 26674, 53348, 66685, 133370, 266740, 973601, 1947202, 3894404, 4868005, 9736010, 19472020]

約数ペア:

[(1, 19472020), (2, 9736010), (4, 4868005), (5, 3894404), (10, 1947202), (20, 973601), (73, 266740), (146, 133370), (292, 66685), (365, 53348), (730, 26674), (1460, 13337)]