19629808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111533}}^1$

素因数の和:111552

約数の個数: 20

約数和(自身を含む): 41490648

約数和(自身を除く): 21860840

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111533, 223066, 446132, 892264, 1226863, 1784528, 2453726, 4907452, 9814904, 19629808]

約数ペア:

[(1, 19629808), (2, 9814904), (4, 4907452), (8, 2453726), (11, 1784528), (16, 1226863), (22, 892264), (44, 446132), (88, 223066), (176, 111533)]