18282145

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 25904448

約数和(自身を除く): 7622303

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 1051, 2485, 3479, 5255, 7357, 17395, 36785, 51499, 74621, 257495, 373105, 522347, 2611735, 3656429, 18282145]

約数ペア:

[(1, 18282145), (5, 3656429), (7, 2611735), (35, 522347), (49, 373105), (71, 257495), (245, 74621), (355, 51499), (497, 36785), (1051, 17395), (2485, 7357), (3479, 5255)]