18173814321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1297}}^1\times {\mathrm{6779}}^1$

素因数の和:8145

約数の個数: 32

約数和(自身を含む): 26612530560

約数和(自身を除く): 8438716239

約数列:

[1, 3, 13, 39, 53, 159, 689, 1297, 2067, 3891, 6779, 16861, 20337, 50583, 68741, 88127, 206223, 264381, 359287, 893633, 1077861, 2680899, 4670731, 8792363, 14012193, 26377089, 114300719, 342902157, 465995239, 1397985717, 6057938107, 18173814321]

約数ペア:

[(1, 18173814321), (3, 6057938107), (13, 1397985717), (39, 465995239), (53, 342902157), (159, 114300719), (689, 26377089), (1297, 14012193), (2067, 8792363), (3891, 4670731), (6779, 2680899), (16861, 1077861), (20337, 893633), (50583, 359287), (68741, 264381), (88127, 206223)]