19941785

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 24811920

約数和(自身を除く): 4870135

約数列:

[1, 5, 41, 89, 205, 445, 1093, 3649, 5465, 18245, 44813, 97277, 224065, 486385, 3988357, 19941785]

約数ペア:

[(1, 19941785), (5, 3988357), (41, 486385), (89, 224065), (205, 97277), (445, 44813), (1093, 18245), (3649, 5465)]