18760287

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9817}}^1$

素因数の和:9847

約数の個数: 24

約数和(自身を含む): 31339056

約数和(自身を除く): 12578769

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9817, 29451, 68719, 127621, 206157, 382863, 481033, 893347, 1443099, 2680041, 6253429, 18760287]

約数ペア:

[(1, 18760287), (3, 6253429), (7, 2680041), (13, 1443099), (21, 893347), (39, 481033), (49, 382863), (91, 206157), (147, 127621), (273, 68719), (637, 29451), (1911, 9817)]