19251089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7919}}^1$

素因数の和:7960

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 4698991

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 7919, 87109, 102947, 134623, 1132417, 1480853, 1750099, 19251089]

約数ペア:

[(1, 19251089), (11, 1750099), (13, 1480853), (17, 1132417), (143, 134623), (187, 102947), (221, 87109), (2431, 7919)]