19315975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4799}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 28569600

約数和(自身を除く): 9253625

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 4799, 23995, 33593, 110377, 119975, 167965, 551885, 772639, 839825, 2759425, 3863195, 19315975]

約数ペア:

[(1, 19315975), (5, 3863195), (7, 2759425), (23, 839825), (25, 772639), (35, 551885), (115, 167965), (161, 119975), (175, 110377), (575, 33593), (805, 23995), (4025, 4799)]