19941730

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4973}}^1$

素因数の和:5381

約数の個数: 16

約数和(自身を含む): 35991864

約数和(自身を除く): 16050134

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4973, 9946, 24865, 49730, 1994173, 3988346, 9970865, 19941730]

約数ペア:

[(1, 19941730), (2, 9970865), (5, 3988346), (10, 1994173), (401, 49730), (802, 24865), (2005, 9946), (4010, 4973)]