18020030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2027}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 37380096

約数和(自身を除く): 19360066

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2027, 4054, 4445, 8890, 10135, 14189, 20270, 28378, 70945, 141890, 257429, 514858, 1287145, 1802003, 2574290, 3604006, 9010015, 18020030]

約数ペア:

[(1, 18020030), (2, 9010015), (5, 3604006), (7, 2574290), (10, 1802003), (14, 1287145), (35, 514858), (70, 257429), (127, 141890), (254, 70945), (635, 28378), (889, 20270), (1270, 14189), (1778, 10135), (2027, 8890), (4054, 4445)]