18745641

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1657}}^1$

素因数の和:2085

約数の個数: 16

約数和(自身を含む): 27854400

約数和(自身を除く): 9108759

約数列:

[1, 3, 9, 27, 419, 1257, 1657, 3771, 4971, 11313, 14913, 44739, 694283, 2082849, 6248547, 18745641]

約数ペア:

[(1, 18745641), (3, 6248547), (9, 2082849), (27, 694283), (419, 44739), (1257, 14913), (1657, 11313), (3771, 4971)]