18208404

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 48353760

約数和(自身を除く): 30145356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 107, 116, 163, 174, 214, 261, 321, 326, 348, 428, 489, 522, 642, 652, 963, 978, 1044, 1284, 1467, 1926, 1956, 2934, 3103, 3852, 4727, 5868, 6206, 9309, 9454, 12412, 14181, 17441, 18618, 18908, 27927, 28362, 34882, 37236, 42543, 52323, 55854, 56724, 69764, 85086, 104646, 111708, 156969, 170172, 209292, 313938, 505789, 627876, 1011578, 1517367, 2023156, 3034734, 4552101, 6069468, 9104202, 18208404]

約数ペア:

[(1, 18208404), (2, 9104202), (3, 6069468), (4, 4552101), (6, 3034734), (9, 2023156), (12, 1517367), (18, 1011578), (29, 627876), (36, 505789), (58, 313938), (87, 209292), (107, 170172), (116, 156969), (163, 111708), (174, 104646), (214, 85086), (261, 69764), (321, 56724), (326, 55854), (348, 52323), (428, 42543), (489, 37236), (522, 34882), (642, 28362), (652, 27927), (963, 18908), (978, 18618), (1044, 17441), (1284, 14181), (1467, 12412), (1926, 9454), (1956, 9309), (2934, 6206), (3103, 5868), (3852, 4727)]