19619912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{188653}}^1$

素因数の和:188672

約数の個数: 16

約数和(自身を含む): 39617340

約数和(自身を除く): 19997428

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 188653, 377306, 754612, 1509224, 2452489, 4904978, 9809956, 19619912]

約数ペア:

[(1, 19619912), (2, 9809956), (4, 4904978), (8, 2452489), (13, 1509224), (26, 754612), (52, 377306), (104, 188653)]