18480612

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 26335068

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 107, 111, 148, 214, 222, 321, 389, 428, 444, 642, 778, 1167, 1284, 1556, 2334, 3959, 4668, 7918, 11877, 14393, 15836, 23754, 28786, 41623, 43179, 47508, 57572, 83246, 86358, 124869, 166492, 172716, 249738, 499476, 1540051, 3080102, 4620153, 6160204, 9240306, 18480612]

約数ペア:

[(1, 18480612), (2, 9240306), (3, 6160204), (4, 4620153), (6, 3080102), (12, 1540051), (37, 499476), (74, 249738), (107, 172716), (111, 166492), (148, 124869), (214, 86358), (222, 83246), (321, 57572), (389, 47508), (428, 43179), (444, 41623), (642, 28786), (778, 23754), (1167, 15836), (1284, 14393), (1556, 11877), (2334, 7918), (3959, 4668)]