18963441

素因数分解:

$3^2\times 7^3\times {\mathrm{6143}}^1$

素因数の和:6170

約数の個数: 24

約数和(自身を含む): 31948800

約数和(自身を除く): 12985359

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6143, 18429, 43001, 55287, 129003, 301007, 387009, 903021, 2107049, 2709063, 6321147, 18963441]

約数ペア:

[(1, 18963441), (3, 6321147), (7, 2709063), (9, 2107049), (21, 903021), (49, 387009), (63, 301007), (147, 129003), (343, 55287), (441, 43001), (1029, 18429), (3087, 6143)]