2019951856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9711307}}^1$

素因数の和:9711328

約数の個数: 20

約数和(自身を含む): 4214707672

約数和(自身を除く): 2194755816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9711307, 19422614, 38845228, 77690456, 126246991, 155380912, 252493982, 504987964, 1009975928, 2019951856]

約数ペア:

[(1, 2019951856), (2, 1009975928), (4, 504987964), (8, 252493982), (13, 155380912), (16, 126246991), (26, 77690456), (52, 38845228), (104, 19422614), (208, 9711307)]