18196623

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 28800000

約数和(自身を除く): 10603377

約数列:

[1, 3, 9, 19, 27, 57, 79, 171, 237, 449, 513, 711, 1347, 1501, 2133, 4041, 4503, 8531, 12123, 13509, 25593, 35471, 40527, 76779, 106413, 230337, 319239, 673949, 957717, 2021847, 6065541, 18196623]

約数ペア:

[(1, 18196623), (3, 6065541), (9, 2021847), (19, 957717), (27, 673949), (57, 319239), (79, 230337), (171, 106413), (237, 76779), (449, 40527), (513, 35471), (711, 25593), (1347, 13509), (1501, 12123), (2133, 8531), (4041, 4503)]