19657976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189019}}^1$

素因数の和:189038

約数の個数: 16

約数和(自身を含む): 39694200

約数和(自身を除く): 20036224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189019, 378038, 756076, 1512152, 2457247, 4914494, 9828988, 19657976]

約数ペア:

[(1, 19657976), (2, 9828988), (4, 4914494), (8, 2457247), (13, 1512152), (26, 756076), (52, 378038), (104, 189019)]