19639510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16231}}^1$

素因数の和:16260

約数の個数: 24

約数和(自身を含む): 38859408

約数和(自身を除く): 19219898

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16231, 32462, 81155, 162310, 178541, 357082, 892705, 1785410, 1963951, 3927902, 9819755, 19639510]

約数ペア:

[(1, 19639510), (2, 9819755), (5, 3927902), (10, 1963951), (11, 1785410), (22, 892705), (55, 357082), (110, 178541), (121, 162310), (242, 81155), (605, 32462), (1210, 16231)]