18213039

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 30598400

約数和(自身を除く): 12385361

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2731, 6669, 8193, 24579, 35503, 51889, 73737, 106509, 155667, 319527, 467001, 674557, 958581, 1401003, 2023671, 6071013, 18213039]

約数ペア:

[(1, 18213039), (3, 6071013), (9, 2023671), (13, 1401003), (19, 958581), (27, 674557), (39, 467001), (57, 319527), (117, 155667), (171, 106509), (247, 73737), (351, 51889), (513, 35503), (741, 24579), (2223, 8193), (2731, 6669)]