19987936

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2801}}^1$

素因数の和:3034

約数の個数: 24

約数和(自身を含む): 39541824

約数和(自身を除く): 19553888

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2801, 3568, 5602, 7136, 11204, 22408, 44816, 89632, 624623, 1249246, 2498492, 4996984, 9993968, 19987936]

約数ペア:

[(1, 19987936), (2, 9993968), (4, 4996984), (8, 2498492), (16, 1249246), (32, 624623), (223, 89632), (446, 44816), (892, 22408), (1784, 11204), (2801, 7136), (3568, 5602)]