20180446988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71881}}^1\times {\mathrm{5399}}^1$

素因数の和:77297

約数の個数: 24

約数和(自身を含む): 38039954400

約数和(自身を除く): 17859507412

約数列:

[1, 2, 4, 13, 26, 52, 5399, 10798, 21596, 70187, 71881, 140374, 143762, 280748, 287524, 934453, 1868906, 3737812, 388085519, 776171038, 1552342076, 5045111747, 10090223494, 20180446988]

約数ペア:

[(1, 20180446988), (2, 10090223494), (4, 5045111747), (13, 1552342076), (26, 776171038), (52, 388085519), (5399, 3737812), (10798, 1868906), (21596, 934453), (70187, 287524), (71881, 280748), (140374, 143762)]