19528912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93889}}^1$

素因数の和:93910

約数の個数: 20

約数和(自身を含む): 40748260

約数和(自身を除く): 21219348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93889, 187778, 375556, 751112, 1220557, 1502224, 2441114, 4882228, 9764456, 19528912]

約数ペア:

[(1, 19528912), (2, 9764456), (4, 4882228), (8, 2441114), (13, 1502224), (16, 1220557), (26, 751112), (52, 375556), (104, 187778), (208, 93889)]