20181996184

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1301057}}^1$

素因数の和:1301347

約数の個数: 32

約数和(自身を含む): 43403294880

約数和(自身を除く): 23221298696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 7756, 15512, 1301057, 2602114, 5204228, 9107399, 10408456, 18214798, 36429596, 72859192, 360392789, 720785578, 1441571156, 2522749523, 2883142312, 5045499046, 10090998092, 20181996184]

約数ペア:

[(1, 20181996184), (2, 10090998092), (4, 5045499046), (7, 2883142312), (8, 2522749523), (14, 1441571156), (28, 720785578), (56, 360392789), (277, 72859192), (554, 36429596), (1108, 18214798), (1939, 10408456), (2216, 9107399), (3878, 5204228), (7756, 2602114), (15512, 1301057)]