18684786

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 20879502

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 1907, 3266, 3814, 4899, 5721, 9798, 11442, 43861, 87722, 131583, 135397, 263166, 270794, 406191, 812382, 3114131, 6228262, 9342393, 18684786]

約数ペア:

[(1, 18684786), (2, 9342393), (3, 6228262), (6, 3114131), (23, 812382), (46, 406191), (69, 270794), (71, 263166), (138, 135397), (142, 131583), (213, 87722), (426, 43861), (1633, 11442), (1907, 9798), (3266, 5721), (3814, 4899)]