19813599

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3012

約数の個数: 32

約数和(自身を含む): 33286400

約数和(自身を除く): 13472801

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2971, 6669, 8913, 26739, 38623, 56449, 80217, 115869, 169347, 347607, 508041, 733837, 1042821, 1524123, 2201511, 6604533, 19813599]

約数ペア:

[(1, 19813599), (3, 6604533), (9, 2201511), (13, 1524123), (19, 1042821), (27, 733837), (39, 508041), (57, 347607), (117, 169347), (171, 115869), (247, 80217), (351, 56449), (513, 38623), (741, 26739), (2223, 8913), (2971, 6669)]