18916924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2777}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 35936208

約数和(自身を除く): 17019284

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 2777, 3406, 5554, 6812, 11108, 36101, 72202, 144404, 363787, 727574, 1455148, 4729231, 9458462, 18916924]

約数ペア:

[(1, 18916924), (2, 9458462), (4, 4729231), (13, 1455148), (26, 727574), (52, 363787), (131, 144404), (262, 72202), (524, 36101), (1703, 11108), (2777, 6812), (3406, 5554)]