16219945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20149}}^1$

素因数の和:20184

約数の個数: 16

約数和(自身を含む): 23212800

約数和(自身を除く): 6992855

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 20149, 100745, 141043, 463427, 705215, 2317135, 3243989, 16219945]

約数ペア:

[(1, 16219945), (5, 3243989), (7, 2317135), (23, 705215), (35, 463427), (115, 141043), (161, 100745), (805, 20149)]