19327568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{92921}}^1$

素因数の和:92942

約数の個数: 20

約数和(自身を含む): 40328148

約数和(自身を除く): 21000580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 92921, 185842, 371684, 743368, 1207973, 1486736, 2415946, 4831892, 9663784, 19327568]

約数ペア:

[(1, 19327568), (2, 9663784), (4, 4831892), (8, 2415946), (13, 1486736), (16, 1207973), (26, 743368), (52, 371684), (104, 185842), (208, 92921)]