19858356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78803}}^1$

素因数の和:78820

約数の個数: 36

約数和(自身を含む): 57369312

約数和(自身を除く): 37510956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78803, 157606, 236409, 315212, 472818, 551621, 709227, 945636, 1103242, 1418454, 1654863, 2206484, 2836908, 3309726, 4964589, 6619452, 9929178, 19858356]

約数ペア:

[(1, 19858356), (2, 9929178), (3, 6619452), (4, 4964589), (6, 3309726), (7, 2836908), (9, 2206484), (12, 1654863), (14, 1418454), (18, 1103242), (21, 945636), (28, 709227), (36, 551621), (42, 472818), (63, 315212), (84, 236409), (126, 157606), (252, 78803)]