19656944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64661}}^1$

素因数の和:64688

約数の個数: 20

約数和(自身を含む): 40090440

約数和(自身を除く): 20433496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64661, 129322, 258644, 517288, 1034576, 1228559, 2457118, 4914236, 9828472, 19656944]

約数ペア:

[(1, 19656944), (2, 9828472), (4, 4914236), (8, 2457118), (16, 1228559), (19, 1034576), (38, 517288), (76, 258644), (152, 129322), (304, 64661)]