17969991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24251}}^1$

素因数の和:24286

約数の個数: 16

約数和(自身を含む): 27162240

約数和(自身を除く): 9192249

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 24251, 72753, 315263, 460769, 945789, 1382307, 5989997, 17969991]

約数ペア:

[(1, 17969991), (3, 5989997), (13, 1382307), (19, 945789), (39, 460769), (57, 315263), (247, 72753), (741, 24251)]