19919056

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42929}}^1$

素因数の和:42966

約数の個数: 20

約数和(自身を含む): 39924900

約数和(自身を除く): 20005844

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42929, 85858, 171716, 343432, 686864, 1244941, 2489882, 4979764, 9959528, 19919056]

約数ペア:

[(1, 19919056), (2, 9959528), (4, 4979764), (8, 2489882), (16, 1244941), (29, 686864), (58, 343432), (116, 171716), (232, 85858), (464, 42929)]