1999465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 2721600

約数和(自身を除く): 722135

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 1619, 8095, 21047, 30761, 105235, 153805, 399893, 1999465]

約数ペア:

[(1, 1999465), (5, 399893), (13, 153805), (19, 105235), (65, 30761), (95, 21047), (247, 8095), (1235, 1619)]