20218871812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1033}}^1\times {\mathrm{257539}}^1$

素因数の和:258595

約数の個数: 24

約数和(自身を含む): 37281490400

約数和(自身を除く): 17062618588

約数列:

[1, 2, 4, 19, 38, 76, 1033, 2066, 4132, 19627, 39254, 78508, 257539, 515078, 1030156, 4893241, 9786482, 19572964, 266037787, 532075574, 1064151148, 5054717953, 10109435906, 20218871812]

約数ペア:

[(1, 20218871812), (2, 10109435906), (4, 5054717953), (19, 1064151148), (38, 532075574), (76, 266037787), (1033, 19572964), (2066, 9786482), (4132, 4893241), (19627, 1030156), (39254, 515078), (78508, 257539)]