19661343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{953}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 29543472

約数和(自身を除く): 9882129

約数列:

[1, 3, 13, 23, 39, 69, 299, 529, 897, 953, 1587, 2859, 6877, 12389, 20631, 21919, 37167, 65757, 284947, 504137, 854841, 1512411, 6553781, 19661343]

約数ペア:

[(1, 19661343), (3, 6553781), (13, 1512411), (23, 854841), (39, 504137), (69, 284947), (299, 65757), (529, 37167), (897, 21919), (953, 20631), (1587, 12389), (2859, 6877)]