19783088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95111}}^1$

素因数の和:95132

約数の個数: 20

約数和(自身を含む): 41278608

約数和(自身を除く): 21495520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95111, 190222, 380444, 760888, 1236443, 1521776, 2472886, 4945772, 9891544, 19783088]

約数ペア:

[(1, 19783088), (2, 9891544), (4, 4945772), (8, 2472886), (13, 1521776), (16, 1236443), (26, 760888), (52, 380444), (104, 190222), (208, 95111)]