19010355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 39459840

約数和(自身を除く): 20449485

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 733, 741, 1235, 1365, 1729, 1995, 2199, 3665, 3705, 5131, 5187, 8645, 9529, 10995, 13927, 15393, 25655, 25935, 28587, 41781, 47645, 66703, 69635, 76965, 97489, 142935, 181051, 200109, 208905, 292467, 333515, 487445, 543153, 905255, 1000545, 1267357, 1462335, 2715765, 3802071, 6336785, 19010355]

約数ペア:

[(1, 19010355), (3, 6336785), (5, 3802071), (7, 2715765), (13, 1462335), (15, 1267357), (19, 1000545), (21, 905255), (35, 543153), (39, 487445), (57, 333515), (65, 292467), (91, 208905), (95, 200109), (105, 181051), (133, 142935), (195, 97489), (247, 76965), (273, 69635), (285, 66703), (399, 47645), (455, 41781), (665, 28587), (733, 25935), (741, 25655), (1235, 15393), (1365, 13927), (1729, 10995), (1995, 9529), (2199, 8645), (3665, 5187), (3705, 5131)]