19639947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3533}}^1$

素因数の和:3662

約数の個数: 16

約数和(自身を含む): 27989280

約数和(自身を除く): 8349333

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3533, 5559, 10599, 60061, 180183, 385097, 1155291, 6546649, 19639947]

約数ペア:

[(1, 19639947), (3, 6546649), (17, 1155291), (51, 385097), (109, 180183), (327, 60061), (1853, 10599), (3533, 5559)]