18239480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65141}}^1$

素因数の和:65159

約数の個数: 32

約数和(自身を含む): 46902240

約数和(自身を除く): 28662760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65141, 130282, 260564, 325705, 455987, 521128, 651410, 911974, 1302820, 1823948, 2279935, 2605640, 3647896, 4559870, 9119740, 18239480]

約数ペア:

[(1, 18239480), (2, 9119740), (4, 4559870), (5, 3647896), (7, 2605640), (8, 2279935), (10, 1823948), (14, 1302820), (20, 911974), (28, 651410), (35, 521128), (40, 455987), (56, 325705), (70, 260564), (140, 130282), (280, 65141)]