18993009

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{39323}}^1$

素因数の和:39356

約数の個数: 16

約数和(自身を含む): 30200832

約数和(自身を除く): 11207823

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 39323, 117969, 275261, 825783, 904429, 2713287, 6331003, 18993009]

約数ペア:

[(1, 18993009), (3, 6331003), (7, 2713287), (21, 904429), (23, 825783), (69, 275261), (161, 117969), (483, 39323)]