19804395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101561}}^1$

素因数の和:101582

約数の個数: 16

約数和(自身を含む): 34124832

約数和(自身を除く): 14320437

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 101561, 304683, 507805, 1320293, 1523415, 3960879, 6601465, 19804395]

約数ペア:

[(1, 19804395), (3, 6601465), (5, 3960879), (13, 1523415), (15, 1320293), (39, 507805), (65, 304683), (195, 101561)]