18037145

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 25510464

約数和(自身を除く): 7473319

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 887, 2905, 4067, 4435, 6209, 20335, 31045, 43463, 73621, 217315, 368105, 515347, 2576735, 3607429, 18037145]

約数ペア:

[(1, 18037145), (5, 3607429), (7, 2576735), (35, 515347), (49, 368105), (83, 217315), (245, 73621), (415, 43463), (581, 31045), (887, 20335), (2905, 6209), (4067, 4435)]