19185998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^2$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 31957464

約数和(自身を除く): 12771466

約数列:

[1, 2, 13, 26, 43, 86, 131, 262, 559, 1118, 1703, 3406, 5633, 11266, 17161, 34322, 73229, 146458, 223093, 446186, 737923, 1475846, 9592999, 19185998]

約数ペア:

[(1, 19185998), (2, 9592999), (13, 1475846), (26, 737923), (43, 446186), (86, 223093), (131, 146458), (262, 73229), (559, 34322), (1118, 17161), (1703, 11266), (3406, 5633)]