18580764

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 26779236

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 107, 116, 174, 214, 321, 348, 428, 499, 642, 998, 1284, 1497, 1996, 2994, 3103, 5988, 6206, 9309, 12412, 14471, 18618, 28942, 37236, 43413, 53393, 57884, 86826, 106786, 160179, 173652, 213572, 320358, 640716, 1548397, 3096794, 4645191, 6193588, 9290382, 18580764]

約数ペア:

[(1, 18580764), (2, 9290382), (3, 6193588), (4, 4645191), (6, 3096794), (12, 1548397), (29, 640716), (58, 320358), (87, 213572), (107, 173652), (116, 160179), (174, 106786), (214, 86826), (321, 57884), (348, 53393), (428, 43413), (499, 37236), (642, 28942), (998, 18618), (1284, 14471), (1497, 12412), (1996, 9309), (2994, 6206), (3103, 5988)]