19145413

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 3318587

約数列:

[1, 7, 79, 89, 389, 553, 623, 2723, 7031, 30731, 34621, 49217, 215117, 242347, 2735059, 19145413]

約数ペア:

[(1, 19145413), (7, 2735059), (79, 242347), (89, 215117), (389, 49217), (553, 34621), (623, 30731), (2723, 7031)]