19978376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227027}}^1$

素因数の和:227044

約数の個数: 16

約数和(自身を含む): 40865040

約数和(自身を除く): 20886664

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227027, 454054, 908108, 1816216, 2497297, 4994594, 9989188, 19978376]

約数ペア:

[(1, 19978376), (2, 9989188), (4, 4994594), (8, 2497297), (11, 1816216), (22, 908108), (44, 454054), (88, 227027)]