19680545

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 24433920

約数和(自身を除く): 4753375

約数列:

[1, 5, 47, 83, 235, 415, 1009, 3901, 5045, 19505, 47423, 83747, 237115, 418735, 3936109, 19680545]

約数ペア:

[(1, 19680545), (5, 3936109), (47, 418735), (83, 237115), (235, 83747), (415, 47423), (1009, 19505), (3901, 5045)]