18487287

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22573}}^1$

素因数の和:22599

約数の個数: 24

約数和(自身を含む): 32867744

約数和(自身を除く): 14380457

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22573, 67719, 158011, 203157, 293449, 474033, 880347, 1422099, 2054143, 2641041, 6162429, 18487287]

約数ペア:

[(1, 18487287), (3, 6162429), (7, 2641041), (9, 2054143), (13, 1422099), (21, 880347), (39, 474033), (63, 293449), (91, 203157), (117, 158011), (273, 67719), (819, 22573)]