12181720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13241}}^1$

素因数の和:13275

約数の個数: 32

約数和(自身を含む): 28602720

約数和(自身を除く): 16421000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 13241, 26482, 52964, 66205, 105928, 132410, 264820, 304543, 529640, 609086, 1218172, 1522715, 2436344, 3045430, 6090860, 12181720]

約数ペア:

[(1, 12181720), (2, 6090860), (4, 3045430), (5, 2436344), (8, 1522715), (10, 1218172), (20, 609086), (23, 529640), (40, 304543), (46, 264820), (92, 132410), (115, 105928), (184, 66205), (230, 52964), (460, 26482), (920, 13241)]