19660993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 23203584

約数和(自身を除く): 3542591

約数列:

[1, 11, 17, 47, 187, 517, 799, 2237, 8789, 24607, 38029, 105139, 418319, 1156529, 1787363, 19660993]

約数ペア:

[(1, 19660993), (11, 1787363), (17, 1156529), (47, 418319), (187, 105139), (517, 38029), (799, 24607), (2237, 8789)]