19954683

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{827}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 33067008

約数和(自身を除く): 13112325

約数列:

[1, 3, 7, 9, 21, 63, 383, 827, 1149, 2481, 2681, 3447, 5789, 7443, 8043, 17367, 24129, 52101, 316741, 950223, 2217187, 2850669, 6651561, 19954683]

約数ペア:

[(1, 19954683), (3, 6651561), (7, 2850669), (9, 2217187), (21, 950223), (63, 316741), (383, 52101), (827, 24129), (1149, 17367), (2481, 8043), (2681, 7443), (3447, 5789)]