19910935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8419}}^1$

素因数の和:8478

約数の個数: 16

約数和(自身を含む): 26674560

約数和(自身を除く): 6763625

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8419, 42095, 92609, 362017, 463045, 1810085, 3982187, 19910935]

約数ペア:

[(1, 19910935), (5, 3982187), (11, 1810085), (43, 463045), (55, 362017), (215, 92609), (473, 42095), (2365, 8419)]