19984616

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5639}}^1$

素因数の和:6088

約数の個数: 16

約数和(自身を含む): 37562400

約数和(自身を除く): 17577784

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5639, 11278, 22556, 45112, 2498077, 4996154, 9992308, 19984616]

約数ペア:

[(1, 19984616), (2, 9992308), (4, 4996154), (8, 2498077), (443, 45112), (886, 22556), (1772, 11278), (3544, 5639)]