2019905108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{400457}}^1$

素因数の和:400571

約数の個数: 24

約数和(自身を含む): 3845998632

約数和(自身を除く): 1826093524

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 400457, 800914, 1601828, 5205941, 10411882, 20823764, 38844329, 77688658, 155377316, 504976277, 1009952554, 2019905108]

約数ペア:

[(1, 2019905108), (2, 1009952554), (4, 504976277), (13, 155377316), (26, 77688658), (52, 38844329), (97, 20823764), (194, 10411882), (388, 5205941), (1261, 1601828), (2522, 800914), (5044, 400457)]