19995027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22291}}^1$

素因数の和:22330

約数の個数: 16

約数和(自身を含む): 29960448

約数和(自身を除く): 9965421

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22291, 66873, 289783, 512693, 869349, 1538079, 6665009, 19995027]

約数ペア:

[(1, 19995027), (3, 6665009), (13, 1538079), (23, 869349), (39, 512693), (69, 289783), (299, 66873), (897, 22291)]