19253455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4506

約数の個数: 16

約数和(自身を含む): 25258464

約数和(自身を除く): 6005009

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4421, 22105, 57473, 287365, 296207, 1481035, 3850691, 19253455]

約数ペア:

[(1, 19253455), (5, 3850691), (13, 1481035), (65, 296207), (67, 287365), (335, 57473), (871, 22105), (4355, 4421)]