18156016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 37140480

約数和(自身を除く): 18984464

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 184, 206, 368, 412, 479, 824, 958, 1648, 1916, 2369, 3832, 4738, 7664, 9476, 11017, 18952, 22034, 37904, 44068, 49337, 88136, 98674, 176272, 197348, 394696, 789392, 1134751, 2269502, 4539004, 9078008, 18156016]

約数ペア:

[(1, 18156016), (2, 9078008), (4, 4539004), (8, 2269502), (16, 1134751), (23, 789392), (46, 394696), (92, 197348), (103, 176272), (184, 98674), (206, 88136), (368, 49337), (412, 44068), (479, 37904), (824, 22034), (958, 18952), (1648, 11017), (1916, 9476), (2369, 7664), (3832, 4738)]