2019487519

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 2384834400

約数和(自身を除く): 365346881

約数列:

[1, 7, 49, 89, 311, 623, 1489, 2177, 4361, 10423, 15239, 27679, 72961, 132521, 193753, 463079, 927647, 1356271, 3241553, 6493529, 22690871, 41214031, 288498217, 2019487519]

約数ペア:

[(1, 2019487519), (7, 288498217), (49, 41214031), (89, 22690871), (311, 6493529), (623, 3241553), (1489, 1356271), (2177, 927647), (4361, 463079), (10423, 193753), (15239, 132521), (27679, 72961)]