1999404006

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{2543771}}^1$

素因数の和:2543907

約数の個数: 16

約数和(自身を含む): 4029334848

約数和(自身を除く): 2029930842

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 2543771, 5087542, 7631313, 15262626, 333234001, 666468002, 999702003, 1999404006]

約数ペア:

[(1, 1999404006), (2, 999702003), (3, 666468002), (6, 333234001), (131, 15262626), (262, 7631313), (393, 5087542), (786, 2543771)]