18996343107

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1336171}}^1$

素因数の和:1336858

約数の個数: 16

約数和(自身を含む): 28989587712

約数和(自身を除く): 9993244605

約数列:

[1, 3, 7, 21, 677, 2031, 4739, 14217, 1336171, 4008513, 9353197, 28059591, 904587767, 2713763301, 6332114369, 18996343107]

約数ペア:

[(1, 18996343107), (3, 6332114369), (7, 2713763301), (21, 904587767), (677, 28059591), (2031, 9353197), (4739, 4008513), (14217, 1336171)]