19781076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{235489}}^1$

素因数の和:235503

約数の個数: 24

約数和(自身を含む): 52749760

約数和(自身を除く): 32968684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 235489, 470978, 706467, 941956, 1412934, 1648423, 2825868, 3296846, 4945269, 6593692, 9890538, 19781076]

約数ペア:

[(1, 19781076), (2, 9890538), (3, 6593692), (4, 4945269), (6, 3296846), (7, 2825868), (12, 1648423), (14, 1412934), (21, 941956), (28, 706467), (42, 470978), (84, 235489)]