19315990

素因数分解:

$2^1\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1777}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 34820352

約数和(自身を除く): 15504362

約数列:

[1, 2, 5, 10, 1087, 1777, 2174, 3554, 5435, 8885, 10870, 17770, 1931599, 3863198, 9657995, 19315990]

約数ペア:

[(1, 19315990), (2, 9657995), (5, 3863198), (10, 1931599), (1087, 17770), (1777, 10870), (2174, 8885), (3554, 5435)]