17946955

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 23743152

約数和(自身を除く): 5796197

約数列:

[1, 5, 13, 65, 67, 169, 317, 335, 845, 871, 1585, 4121, 4355, 11323, 20605, 21239, 53573, 56615, 106195, 267865, 276107, 1380535, 3589391, 17946955]

約数ペア:

[(1, 17946955), (5, 3589391), (13, 1380535), (65, 276107), (67, 267865), (169, 106195), (317, 56615), (335, 53573), (845, 21239), (871, 20605), (1585, 11323), (4121, 4355)]