18097240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64633}}^1$

素因数の和:64651

約数の個数: 32

約数和(自身を含む): 46536480

約数和(自身を除く): 28439240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64633, 129266, 258532, 323165, 452431, 517064, 646330, 904862, 1292660, 1809724, 2262155, 2585320, 3619448, 4524310, 9048620, 18097240]

約数ペア:

[(1, 18097240), (2, 9048620), (4, 4524310), (5, 3619448), (7, 2585320), (8, 2262155), (10, 1809724), (14, 1292660), (20, 904862), (28, 646330), (35, 517064), (40, 452431), (56, 323165), (70, 258532), (140, 129266), (280, 64633)]