19997370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222193}}^1$

素因数の和:222206

約数の個数: 24

約数和(自身を含む): 51993396

約数和(自身を除く): 31996026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222193, 444386, 666579, 1110965, 1333158, 1999737, 2221930, 3332895, 3999474, 6665790, 9998685, 19997370]

約数ペア:

[(1, 19997370), (2, 9998685), (3, 6665790), (5, 3999474), (6, 3332895), (9, 2221930), (10, 1999737), (15, 1333158), (18, 1110965), (30, 666579), (45, 444386), (90, 222193)]