18618387

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 25579680

約数和(自身を除く): 6961293

約数列:

[1, 3, 41, 123, 229, 661, 687, 1983, 9389, 27101, 28167, 81303, 151369, 454107, 6206129, 18618387]

約数ペア:

[(1, 18618387), (3, 6206129), (41, 454107), (123, 151369), (229, 81303), (661, 28167), (687, 27101), (1983, 9389)]