19406552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220529}}^1$

素因数の和:220546

約数の個数: 16

約数和(自身を含む): 39695400

約数和(自身を除く): 20288848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220529, 441058, 882116, 1764232, 2425819, 4851638, 9703276, 19406552]

約数ペア:

[(1, 19406552), (2, 9703276), (4, 4851638), (8, 2425819), (11, 1764232), (22, 882116), (44, 441058), (88, 220529)]