20171906824

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{2437}}^1\times {\mathrm{8147}}^1$

素因数の和:10717

約数の個数: 32

約数和(自身を含む): 38140462080

約数和(自身を除く): 17968555256

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 2437, 4874, 8147, 9748, 16294, 19496, 32588, 65176, 309499, 618998, 1034669, 1237996, 2069338, 2475992, 4138676, 8277352, 19854239, 39708478, 79416956, 158833912, 2521488353, 5042976706, 10085953412, 20171906824]

約数ペア:

[(1, 20171906824), (2, 10085953412), (4, 5042976706), (8, 2521488353), (127, 158833912), (254, 79416956), (508, 39708478), (1016, 19854239), (2437, 8277352), (4874, 4138676), (8147, 2475992), (9748, 2069338), (16294, 1237996), (19496, 1034669), (32588, 618998), (65176, 309499)]