19998407527

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{1427}}^1\times {\mathrm{24121}}^1$

素因数の和:25638

約数の個数: 16

約数和(自身を含む): 23147857152

約数和(自身を除く): 3149449625

約数列:

[1, 7, 83, 581, 1427, 9989, 24121, 118441, 168847, 829087, 2002043, 14014301, 34420667, 240944669, 2856915361, 19998407527]

約数ペア:

[(1, 19998407527), (7, 2856915361), (83, 240944669), (581, 34420667), (1427, 14014301), (9989, 2002043), (24121, 829087), (118441, 168847)]