18998741

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 21092400

約数和(自身を除く): 2093659

約数列:

[1, 17, 29, 89, 433, 493, 1513, 2581, 7361, 12557, 38537, 43877, 213469, 655129, 1117573, 18998741]

約数ペア:

[(1, 18998741), (17, 1117573), (29, 655129), (89, 213469), (433, 43877), (493, 38537), (1513, 12557), (2581, 7361)]