17921982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229769}}^1$

素因数の和:229787

約数の個数: 16

約数和(自身を含む): 38601360

約数和(自身を除く): 20679378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229769, 459538, 689307, 1378614, 2986997, 5973994, 8960991, 17921982]

約数ペア:

[(1, 17921982), (2, 8960991), (3, 5973994), (6, 2986997), (13, 1378614), (26, 689307), (39, 459538), (78, 229769)]