17956428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{887}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 48136704

約数和(自身を除く): 30180276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 482, 723, 887, 964, 1446, 1687, 1774, 2661, 2892, 3374, 3548, 5061, 5322, 6209, 6748, 10122, 10644, 12418, 18627, 20244, 24836, 37254, 74508, 213767, 427534, 641301, 855068, 1282602, 1496369, 2565204, 2992738, 4489107, 5985476, 8978214, 17956428]

約数ペア:

[(1, 17956428), (2, 8978214), (3, 5985476), (4, 4489107), (6, 2992738), (7, 2565204), (12, 1496369), (14, 1282602), (21, 855068), (28, 641301), (42, 427534), (84, 213767), (241, 74508), (482, 37254), (723, 24836), (887, 20244), (964, 18627), (1446, 12418), (1687, 10644), (1774, 10122), (2661, 6748), (2892, 6209), (3374, 5322), (3548, 5061)]