19755963

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 9896517

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 719, 2157, 3053, 6471, 9159, 27477, 30917, 51049, 92751, 153147, 278253, 459441, 2195107, 6585321, 19755963]

約数ペア:

[(1, 19755963), (3, 6585321), (9, 2195107), (43, 459441), (71, 278253), (129, 153147), (213, 92751), (387, 51049), (639, 30917), (719, 27477), (2157, 9159), (3053, 6471)]