18623709

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 30074240

約数和(自身を除く): 11450531

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 547, 873, 1261, 1641, 2619, 3783, 4923, 7111, 11349, 14769, 21333, 34047, 53059, 63999, 159177, 191997, 477531, 689767, 1432593, 2069301, 6207903, 18623709]

約数ペア:

[(1, 18623709), (3, 6207903), (9, 2069301), (13, 1432593), (27, 689767), (39, 477531), (97, 191997), (117, 159177), (291, 63999), (351, 53059), (547, 34047), (873, 21333), (1261, 14769), (1641, 11349), (2619, 7111), (3783, 4923)]