18515253

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 28108800

約数和(自身を除く): 9593547

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 487, 551, 667, 1311, 1461, 1653, 2001, 9253, 11201, 12673, 14123, 27759, 33603, 38019, 42369, 212819, 268337, 324829, 638457, 805011, 974487, 6171751, 18515253]

約数ペア:

[(1, 18515253), (3, 6171751), (19, 974487), (23, 805011), (29, 638457), (57, 324829), (69, 268337), (87, 212819), (437, 42369), (487, 38019), (551, 33603), (667, 27759), (1311, 14123), (1461, 12673), (1653, 11201), (2001, 9253)]