19681454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39841}}^1$

素因数の和:39875

約数の個数: 16

約数和(自身を含む): 33467280

約数和(自身を除く): 13785826

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 39841, 79682, 517933, 756979, 1035866, 1513958, 9840727, 19681454]

約数ペア:

[(1, 19681454), (2, 9840727), (13, 1513958), (19, 1035866), (26, 756979), (38, 517933), (247, 79682), (494, 39841)]