19794236072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{687109}}^1$

素因数の和:687405

約数の個数: 32

約数和(自身を含む): 40113481800

約数和(自身を除く): 20319245728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 1108, 2216, 3601, 7202, 14404, 28808, 687109, 1374218, 2748436, 5496872, 8932417, 17864834, 35729668, 71459336, 190329193, 380658386, 761316772, 1522633544, 2474279509, 4948559018, 9897118036, 19794236072]

約数ペア:

[(1, 19794236072), (2, 9897118036), (4, 4948559018), (8, 2474279509), (13, 1522633544), (26, 761316772), (52, 380658386), (104, 190329193), (277, 71459336), (554, 35729668), (1108, 17864834), (2216, 8932417), (3601, 5496872), (7202, 2748436), (14404, 1374218), (28808, 687109)]