19790463

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12239}}^1$

素因数の和:12267

約数の個数: 24

約数和(自身を含む): 33488640

約数和(自身を除く): 13698177

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12239, 36717, 85673, 134629, 257019, 403887, 599711, 942403, 1799133, 2827209, 6596821, 19790463]

約数ペア:

[(1, 19790463), (3, 6596821), (7, 2827209), (11, 1799133), (21, 942403), (33, 599711), (49, 403887), (77, 257019), (147, 134629), (231, 85673), (539, 36717), (1617, 12239)]