19953496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 19660904

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 251, 502, 523, 1004, 1046, 2008, 2092, 4184, 4769, 9538, 9937, 19076, 19874, 38152, 39748, 79496, 131273, 262546, 525092, 1050184, 2494187, 4988374, 9976748, 19953496]

約数ペア:

[(1, 19953496), (2, 9976748), (4, 4988374), (8, 2494187), (19, 1050184), (38, 525092), (76, 262546), (152, 131273), (251, 79496), (502, 39748), (523, 38152), (1004, 19874), (1046, 19076), (2008, 9937), (2092, 9538), (4184, 4769)]