19100815

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 23794848

約数和(自身を除く): 4694033

約数列:

[1, 5, 43, 73, 215, 365, 1217, 3139, 6085, 15695, 52331, 88841, 261655, 444205, 3820163, 19100815]

約数ペア:

[(1, 19100815), (5, 3820163), (43, 444205), (73, 261655), (215, 88841), (365, 52331), (1217, 15695), (3139, 6085)]