18742955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 28408320

約数和(自身を除く): 9665365

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 547, 623, 979, 2735, 3115, 3829, 4895, 6017, 6853, 19145, 30085, 34265, 42119, 48683, 210595, 243415, 340781, 535513, 1703905, 2677565, 3748591, 18742955]

約数ペア:

[(1, 18742955), (5, 3748591), (7, 2677565), (11, 1703905), (35, 535513), (55, 340781), (77, 243415), (89, 210595), (385, 48683), (445, 42119), (547, 34265), (623, 30085), (979, 19145), (2735, 6853), (3115, 6017), (3829, 4895)]