19563856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94057}}^1$

素因数の和:94078

約数の個数: 20

約数和(自身を含む): 40821172

約数和(自身を除く): 21257316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94057, 188114, 376228, 752456, 1222741, 1504912, 2445482, 4890964, 9781928, 19563856]

約数ペア:

[(1, 19563856), (2, 9781928), (4, 4890964), (8, 2445482), (13, 1504912), (16, 1222741), (26, 752456), (52, 376228), (104, 188114), (208, 94057)]