19440356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2161}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 36866424

約数和(自身を除く): 17426068

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2161, 2249, 4322, 4498, 8644, 8996, 28093, 56186, 112372, 373853, 747706, 1495412, 4860089, 9720178, 19440356]

約数ペア:

[(1, 19440356), (2, 9720178), (4, 4860089), (13, 1495412), (26, 747706), (52, 373853), (173, 112372), (346, 56186), (692, 28093), (2161, 8996), (2249, 8644), (4322, 4498)]