18423643385

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{40961}}^1$

素因数の和:41225

約数の個数: 32

約数和(自身を含む): 25764770304

約数和(自身を除く): 7341126919

約数列:

[1, 5, 7, 35, 71, 181, 355, 497, 905, 1267, 2485, 6335, 12851, 40961, 64255, 89957, 204805, 286727, 449785, 1433635, 2908231, 7413941, 14541155, 20357617, 37069705, 51897587, 101788085, 259487935, 526389811, 2631949055, 3684728677, 18423643385]

約数ペア:

[(1, 18423643385), (5, 3684728677), (7, 2631949055), (35, 526389811), (71, 259487935), (181, 101788085), (355, 51897587), (497, 37069705), (905, 20357617), (1267, 14541155), (2485, 7413941), (6335, 2908231), (12851, 1433635), (40961, 449785), (64255, 286727), (89957, 204805)]