18912402

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 42770520

約数和(自身を除く): 23858118

約数列:

[1, 2, 3, 6, 9, 18, 37, 73, 74, 111, 146, 219, 222, 333, 389, 438, 657, 666, 778, 1167, 1314, 2334, 2701, 3501, 5402, 7002, 8103, 14393, 16206, 24309, 28397, 28786, 43179, 48618, 56794, 85191, 86358, 129537, 170382, 255573, 259074, 511146, 1050689, 2101378, 3152067, 6304134, 9456201, 18912402]

約数ペア:

[(1, 18912402), (2, 9456201), (3, 6304134), (6, 3152067), (9, 2101378), (18, 1050689), (37, 511146), (73, 259074), (74, 255573), (111, 170382), (146, 129537), (219, 86358), (222, 85191), (333, 56794), (389, 48618), (438, 43179), (657, 28786), (666, 28397), (778, 24309), (1167, 16206), (1314, 14393), (2334, 8103), (2701, 7002), (3501, 5402)]