18213615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 36661248

約数和(自身を除く): 18447633

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 863, 1005, 1407, 2345, 2589, 3015, 4221, 4315, 6041, 7035, 7767, 12945, 18123, 21105, 30205, 38835, 54369, 57821, 90615, 173463, 271845, 289105, 404747, 520389, 867315, 1214241, 2023735, 2601945, 3642723, 6071205, 18213615]

約数ペア:

[(1, 18213615), (3, 6071205), (5, 3642723), (7, 2601945), (9, 2023735), (15, 1214241), (21, 867315), (35, 520389), (45, 404747), (63, 289105), (67, 271845), (105, 173463), (201, 90615), (315, 57821), (335, 54369), (469, 38835), (603, 30205), (863, 21105), (1005, 18123), (1407, 12945), (2345, 7767), (2589, 7035), (3015, 6041), (4221, 4315)]