18744557

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 21636720

約数和(自身を除く): 2892163

約数列:

[1, 13, 17, 89, 221, 953, 1157, 1513, 12389, 16201, 19669, 84817, 210613, 1102621, 1441889, 18744557]

約数ペア:

[(1, 18744557), (13, 1441889), (17, 1102621), (89, 210613), (221, 84817), (953, 19669), (1157, 16201), (1513, 12389)]