18962019

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 42

約数和(自身を含む): 30757020

約数和(自身を除く): 11795001

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 243, 333, 513, 703, 729, 999, 1369, 1539, 2109, 2997, 4107, 4617, 6327, 8991, 12321, 13851, 18981, 26011, 26973, 36963, 56943, 78033, 110889, 170829, 234099, 332667, 512487, 702297, 998001, 2106891, 6320673, 18962019]

約数ペア:

[(1, 18962019), (3, 6320673), (9, 2106891), (19, 998001), (27, 702297), (37, 512487), (57, 332667), (81, 234099), (111, 170829), (171, 110889), (243, 78033), (333, 56943), (513, 36963), (703, 26973), (729, 26011), (999, 18981), (1369, 13851), (1539, 12321), (2109, 8991), (2997, 6327), (4107, 4617)]