19425771

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{1993}}^1$

素因数の和:2040

約数の個数: 24

約数和(自身を含む): 30388560

約数和(自身を除く): 10962789

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 1993, 3249, 5979, 9747, 17937, 37867, 53811, 113601, 340803, 719473, 1022409, 2158419, 6475257, 19425771]

約数ペア:

[(1, 19425771), (3, 6475257), (9, 2158419), (19, 1022409), (27, 719473), (57, 340803), (171, 113601), (361, 53811), (513, 37867), (1083, 17937), (1993, 9747), (3249, 5979)]