199684015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{4019}}^1$

素因数の和:4566

約数の個数: 16

約数和(自身を含む): 252777600

約数和(自身を除く): 53093585

約数列:

[1, 5, 19, 95, 523, 2615, 4019, 9937, 20095, 49685, 76361, 381805, 2101937, 10509685, 39936803, 199684015]

約数ペア:

[(1, 199684015), (5, 39936803), (19, 10509685), (95, 2101937), (523, 381805), (2615, 76361), (4019, 49685), (9937, 20095)]