19973994

素因数分解:

$2^1\times 3^1\times {\mathrm{1667}}^1\times {\mathrm{1997}}^1$

素因数の和:3669

約数の個数: 16

約数和(自身を含む): 39991968

約数和(自身を除く): 20017974

約数列:

[1, 2, 3, 6, 1667, 1997, 3334, 3994, 5001, 5991, 10002, 11982, 3328999, 6657998, 9986997, 19973994]

約数ペア:

[(1, 19973994), (2, 9986997), (3, 6657998), (6, 3328999), (1667, 11982), (1997, 10002), (3334, 5991), (3994, 5001)]