19426797

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 13504563

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 971, 1053, 1539, 2223, 2913, 6669, 8739, 12623, 18449, 20007, 26217, 37869, 55347, 78651, 113607, 166041, 239837, 340821, 498123, 719511, 1022463, 1494369, 2158533, 6475599, 19426797]

約数ペア:

[(1, 19426797), (3, 6475599), (9, 2158533), (13, 1494369), (19, 1022463), (27, 719511), (39, 498123), (57, 340821), (81, 239837), (117, 166041), (171, 113607), (247, 78651), (351, 55347), (513, 37869), (741, 26217), (971, 20007), (1053, 18449), (1539, 12623), (2223, 8739), (2913, 6669)]