18842320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33647}}^1$

素因数の和:33667

約数の個数: 40

約数和(自身を含む): 50068224

約数和(自身を除く): 31225904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33647, 67294, 134588, 168235, 235529, 269176, 336470, 471058, 538352, 672940, 942116, 1177645, 1345880, 1884232, 2355290, 2691760, 3768464, 4710580, 9421160, 18842320]

約数ペア:

[(1, 18842320), (2, 9421160), (4, 4710580), (5, 3768464), (7, 2691760), (8, 2355290), (10, 1884232), (14, 1345880), (16, 1177645), (20, 942116), (28, 672940), (35, 538352), (40, 471058), (56, 336470), (70, 269176), (80, 235529), (112, 168235), (140, 134588), (280, 67294), (560, 33647)]