19493516

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10391}}^1$

素因数の和:10469

約数の個数: 24

約数和(自身を含む): 39572736

約数和(自身を除く): 20079220

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10391, 20782, 41564, 72737, 145474, 290948, 696197, 1392394, 2784788, 4873379, 9746758, 19493516]

約数ペア:

[(1, 19493516), (2, 9746758), (4, 4873379), (7, 2784788), (14, 1392394), (28, 696197), (67, 290948), (134, 145474), (268, 72737), (469, 41564), (938, 20782), (1876, 10391)]