2019979792

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{398261}}^1$

素因数の和:398586

約数の個数: 20

約数和(自身を含む): 3926066796

約数和(自身を除く): 1906087004

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 398261, 796522, 1593044, 3186088, 6372176, 126248737, 252497474, 504994948, 1009989896, 2019979792]

約数ペア:

[(1, 2019979792), (2, 1009989896), (4, 504994948), (8, 252497474), (16, 126248737), (317, 6372176), (634, 3186088), (1268, 1593044), (2536, 796522), (5072, 398261)]