19705648

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{2029}}^1$

素因数の和:2644

約数の個数: 20

約数和(自身を含む): 38261440

約数和(自身を除く): 18555792

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2029, 2428, 4058, 4856, 8116, 9712, 16232, 32464, 1231603, 2463206, 4926412, 9852824, 19705648]

約数ペア:

[(1, 19705648), (2, 9852824), (4, 4926412), (8, 2463206), (16, 1231603), (607, 32464), (1214, 16232), (2029, 9712), (2428, 8116), (4058, 4856)]