19409663

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 24009216

約数和(自身を除く): 4599553

約数列:

[1, 7, 13, 91, 263, 811, 1841, 3419, 5677, 10543, 23933, 73801, 213293, 1493051, 2772809, 19409663]

約数ペア:

[(1, 19409663), (7, 2772809), (13, 1493051), (91, 213293), (263, 73801), (811, 23933), (1841, 10543), (3419, 5677)]