19931919

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22073}}^1$

素因数の和:22126

約数の個数: 16

約数和(自身を含む): 31080192

約数和(自身を除く): 11148273

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22073, 66219, 154511, 463533, 949139, 2847417, 6643973, 19931919]

約数ペア:

[(1, 19931919), (3, 6643973), (7, 2847417), (21, 949139), (43, 463533), (129, 154511), (301, 66219), (903, 22073)]