19493210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177211}}^1$

素因数の和:177229

約数の個数: 16

約数和(自身を含む): 38277792

約数和(自身を除く): 18784582

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 177211, 354422, 886055, 1772110, 1949321, 3898642, 9746605, 19493210]

約数ペア:

[(1, 19493210), (2, 9746605), (5, 3898642), (10, 1949321), (11, 1772110), (22, 886055), (55, 354422), (110, 177211)]