18137776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{66683}}^1$

素因数の和:66708

約数の個数: 20

約数和(自身を含む): 37209672

約数和(自身を除く): 19071896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 66683, 133366, 266732, 533464, 1066928, 1133611, 2267222, 4534444, 9068888, 18137776]

約数ペア:

[(1, 18137776), (2, 9068888), (4, 4534444), (8, 2267222), (16, 1133611), (17, 1066928), (34, 533464), (68, 266732), (136, 133366), (272, 66683)]