19820757

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1721}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 9108843

約数列:

[1, 3, 11, 33, 349, 1047, 1721, 3839, 5163, 11517, 18931, 56793, 600629, 1801887, 6606919, 19820757]

約数ペア:

[(1, 19820757), (3, 6606919), (11, 1801887), (33, 600629), (349, 56793), (1047, 18931), (1721, 11517), (3839, 5163)]