19659484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5179}}^1$

素因数の和:5269

約数の個数: 24

約数和(自身を含む): 37565360

約数和(自身を除く): 17905876

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5179, 10358, 20716, 67327, 134654, 269308, 378067, 756134, 1512268, 4914871, 9829742, 19659484]

約数ペア:

[(1, 19659484), (2, 9829742), (4, 4914871), (13, 1512268), (26, 756134), (52, 378067), (73, 269308), (146, 134654), (292, 67327), (949, 20716), (1898, 10358), (3796, 5179)]