18069444

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 48310080

約数和(自身を除く): 30240636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 157, 207, 276, 278, 314, 414, 417, 471, 556, 628, 828, 834, 942, 1251, 1413, 1668, 1884, 2502, 2826, 3197, 3611, 5004, 5652, 6394, 7222, 9591, 10833, 12788, 14444, 19182, 21666, 21823, 28773, 32499, 38364, 43332, 43646, 57546, 64998, 65469, 87292, 115092, 129996, 130938, 196407, 261876, 392814, 501929, 785628, 1003858, 1505787, 2007716, 3011574, 4517361, 6023148, 9034722, 18069444]

約数ペア:

[(1, 18069444), (2, 9034722), (3, 6023148), (4, 4517361), (6, 3011574), (9, 2007716), (12, 1505787), (18, 1003858), (23, 785628), (36, 501929), (46, 392814), (69, 261876), (92, 196407), (138, 130938), (139, 129996), (157, 115092), (207, 87292), (276, 65469), (278, 64998), (314, 57546), (414, 43646), (417, 43332), (471, 38364), (556, 32499), (628, 28773), (828, 21823), (834, 21666), (942, 19182), (1251, 14444), (1413, 12788), (1668, 10833), (1884, 9591), (2502, 7222), (2826, 6394), (3197, 5652), (3611, 5004)]