19311328

素因数分解:

$2^5\times {\mathrm{41}}^2\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 36

約数和(自身を含む): 39077640

約数和(自身を除く): 19766312

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 359, 656, 718, 1312, 1436, 1681, 2872, 3362, 5744, 6724, 11488, 13448, 14719, 26896, 29438, 53792, 58876, 117752, 235504, 471008, 603479, 1206958, 2413916, 4827832, 9655664, 19311328]

約数ペア:

[(1, 19311328), (2, 9655664), (4, 4827832), (8, 2413916), (16, 1206958), (32, 603479), (41, 471008), (82, 235504), (164, 117752), (328, 58876), (359, 53792), (656, 29438), (718, 26896), (1312, 14719), (1436, 13448), (1681, 11488), (2872, 6724), (3362, 5744)]