18548748

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 49249200

約数和(自身を除く): 30700452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 109, 116, 163, 174, 218, 261, 326, 327, 348, 436, 489, 522, 652, 654, 978, 981, 1044, 1308, 1467, 1956, 1962, 2934, 3161, 3924, 4727, 5868, 6322, 9454, 9483, 12644, 14181, 17767, 18908, 18966, 28362, 28449, 35534, 37932, 42543, 53301, 56724, 56898, 71068, 85086, 106602, 113796, 159903, 170172, 213204, 319806, 515243, 639612, 1030486, 1545729, 2060972, 3091458, 4637187, 6182916, 9274374, 18548748]

約数ペア:

[(1, 18548748), (2, 9274374), (3, 6182916), (4, 4637187), (6, 3091458), (9, 2060972), (12, 1545729), (18, 1030486), (29, 639612), (36, 515243), (58, 319806), (87, 213204), (109, 170172), (116, 159903), (163, 113796), (174, 106602), (218, 85086), (261, 71068), (326, 56898), (327, 56724), (348, 53301), (436, 42543), (489, 37932), (522, 35534), (652, 28449), (654, 28362), (978, 18966), (981, 18908), (1044, 17767), (1308, 14181), (1467, 12644), (1956, 9483), (1962, 9454), (2934, 6322), (3161, 5868), (3924, 4727)]