19439217

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 33167360

約数和(自身を除く): 13728143

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 631, 1141, 1467, 1893, 3423, 4401, 4417, 5679, 10269, 13251, 17037, 30807, 39753, 102853, 119259, 308559, 719971, 925677, 2159913, 2777031, 6479739, 19439217]

約数ペア:

[(1, 19439217), (3, 6479739), (7, 2777031), (9, 2159913), (21, 925677), (27, 719971), (63, 308559), (163, 119259), (189, 102853), (489, 39753), (631, 30807), (1141, 17037), (1467, 13251), (1893, 10269), (3423, 5679), (4401, 4417)]