19143047

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 24399648

約数和(自身を除く): 5256601

約数列:

[1, 7, 11, 77, 97, 121, 233, 679, 847, 1067, 1631, 2563, 7469, 11737, 17941, 22601, 28193, 82159, 158207, 197351, 248611, 1740277, 2734721, 19143047]

約数ペア:

[(1, 19143047), (7, 2734721), (11, 1740277), (77, 248611), (97, 197351), (121, 158207), (233, 82159), (679, 28193), (847, 22601), (1067, 17941), (1631, 11737), (2563, 7469)]