18803169

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 34704384

約数和(自身を除く): 15901215

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 631, 693, 903, 1419, 1893, 2709, 3311, 4257, 4417, 5679, 6941, 9933, 13251, 20823, 27133, 29799, 39753, 48587, 62469, 81399, 145761, 189931, 244197, 298463, 437283, 569793, 895389, 1709379, 2089241, 2686167, 6267723, 18803169]

約数ペア:

[(1, 18803169), (3, 6267723), (7, 2686167), (9, 2089241), (11, 1709379), (21, 895389), (33, 569793), (43, 437283), (63, 298463), (77, 244197), (99, 189931), (129, 145761), (231, 81399), (301, 62469), (387, 48587), (473, 39753), (631, 29799), (693, 27133), (903, 20823), (1419, 13251), (1893, 9933), (2709, 6941), (3311, 5679), (4257, 4417)]