18977452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4397}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 36204336

約数和(自身を除く): 17226884

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4397, 8794, 17588, 57161, 114322, 228644, 364951, 729902, 1459804, 4744363, 9488726, 18977452]

約数ペア:

[(1, 18977452), (2, 9488726), (4, 4744363), (13, 1459804), (26, 729902), (52, 364951), (83, 228644), (166, 114322), (332, 57161), (1079, 17588), (2158, 8794), (4316, 4397)]