19908133023

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{16963}}^1$

素因数の和:17295

約数の個数: 32

約数和(自身を含む): 28199867904

約数和(自身を除く): 8291734881

約数列:

[1, 3, 23, 69, 73, 219, 233, 699, 1679, 5037, 5359, 16077, 16963, 17009, 50889, 51027, 390149, 391207, 1170447, 1173621, 1238299, 3714897, 3952379, 11857137, 28480877, 85442631, 90904717, 272714151, 288523667, 865571001, 6636044341, 19908133023]

約数ペア:

[(1, 19908133023), (3, 6636044341), (23, 865571001), (69, 288523667), (73, 272714151), (219, 90904717), (233, 85442631), (699, 28480877), (1679, 11857137), (5037, 3952379), (5359, 3714897), (16077, 1238299), (16963, 1173621), (17009, 1170447), (50889, 391207), (51027, 390149)]