18321005

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 22486464

約数和(自身を除く): 4165459

約数列:

[1, 5, 83, 131, 337, 415, 655, 1685, 10873, 27971, 44147, 54365, 139855, 220735, 3664201, 18321005]

約数ペア:

[(1, 18321005), (5, 3664201), (83, 220735), (131, 139855), (337, 54365), (415, 44147), (655, 27971), (1685, 10873)]