19387016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220307}}^1$

素因数の和:220324

約数の個数: 16

約数和(自身を含む): 39655440

約数和(自身を除く): 20268424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220307, 440614, 881228, 1762456, 2423377, 4846754, 9693508, 19387016]

約数ペア:

[(1, 19387016), (2, 9693508), (4, 4846754), (8, 2423377), (11, 1762456), (22, 881228), (44, 440614), (88, 220307)]