19990415615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1687667}}^1$

素因数の和:1687798

約数の個数: 16

約数和(自身を含む): 25274515968

約数和(自身を除く): 5284100353

約数列:

[1, 5, 23, 103, 115, 515, 2369, 11845, 1687667, 8438335, 38816341, 173829701, 194081705, 869148505, 3998083123, 19990415615]

約数ペア:

[(1, 19990415615), (5, 3998083123), (23, 869148505), (103, 194081705), (115, 173829701), (515, 38816341), (2369, 8438335), (11845, 1687667)]