19998407528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227254631}}^1$

素因数の和:227254648

約数の個数: 16

約数和(自身を含む): 40905833760

約数和(自身を除く): 20907426232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227254631, 454509262, 909018524, 1818037048, 2499800941, 4999601882, 9999203764, 19998407528]

約数ペア:

[(1, 19998407528), (2, 9999203764), (4, 4999601882), (8, 2499800941), (11, 1818037048), (22, 909018524), (44, 454509262), (88, 227254631)]