19557008

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{1163}}^1$

素因数の和:2222

約数の個数: 20

約数和(自身を含む): 37960368

約数和(自身を除く): 18403360

約数列:

[1, 2, 4, 8, 16, 1051, 1163, 2102, 2326, 4204, 4652, 8408, 9304, 16816, 18608, 1222313, 2444626, 4889252, 9778504, 19557008]

約数ペア:

[(1, 19557008), (2, 9778504), (4, 4889252), (8, 2444626), (16, 1222313), (1051, 18608), (1163, 16816), (2102, 9304), (2326, 8408), (4204, 4652)]