19720298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5023}}^1$

素因数の和:5189

約数の個数: 16

約数和(自身を含む): 32073216

約数和(自身を除く): 12352918

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5023, 10046, 65299, 130598, 758473, 1516946, 9860149, 19720298]

約数ペア:

[(1, 19720298), (2, 9860149), (13, 1516946), (26, 758473), (151, 130598), (302, 65299), (1963, 10046), (3926, 5023)]