18205005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13337}}^1$

素因数の和:13365

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 17647539

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13337, 40011, 66685, 93359, 173381, 200055, 280077, 466795, 520143, 866905, 1213667, 1400385, 2600715, 3641001, 6068335, 18205005]

約数ペア:

[(1, 18205005), (3, 6068335), (5, 3641001), (7, 2600715), (13, 1400385), (15, 1213667), (21, 866905), (35, 520143), (39, 466795), (65, 280077), (91, 200055), (105, 173381), (195, 93359), (273, 66685), (455, 40011), (1365, 13337)]