18236120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65129}}^1$

素因数の和:65147

約数の個数: 32

約数和(自身を含む): 46893600

約数和(自身を除く): 28657480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65129, 130258, 260516, 325645, 455903, 521032, 651290, 911806, 1302580, 1823612, 2279515, 2605160, 3647224, 4559030, 9118060, 18236120]

約数ペア:

[(1, 18236120), (2, 9118060), (4, 4559030), (5, 3647224), (7, 2605160), (8, 2279515), (10, 1823612), (14, 1302580), (20, 911806), (28, 651290), (35, 521032), (40, 455903), (56, 325645), (70, 260516), (140, 130258), (280, 65129)]