19979204

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2633}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 40121088

約数和(自身を除く): 20141884

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 2633, 3794, 5266, 7588, 10532, 18431, 36862, 73724, 713543, 1427086, 2854172, 4994801, 9989602, 19979204]

約数ペア:

[(1, 19979204), (2, 9989602), (4, 4994801), (7, 2854172), (14, 1427086), (28, 713543), (271, 73724), (542, 36862), (1084, 18431), (1897, 10532), (2633, 7588), (3794, 5266)]