1999851838

素因数分解:

$2^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1\times {\mathrm{4001}}^1$

素因数の和:5003

約数の個数: 16

約数和(自身を含む): 3012545520

約数和(自身を除く): 1012693682

約数列:

[1, 2, 491, 509, 982, 1018, 4001, 8002, 249919, 499838, 1964491, 2036509, 3928982, 4073018, 999925919, 1999851838]

約数ペア:

[(1, 1999851838), (2, 999925919), (491, 4073018), (509, 3928982), (982, 2036509), (1018, 1964491), (4001, 499838), (8002, 249919)]