19810952

素因数分解:

$2^3\times 7^1\times {\mathrm{353767}}^1$

素因数の和:353780

約数の個数: 16

約数和(自身を含む): 42452160

約数和(自身を除く): 22641208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353767, 707534, 1415068, 2476369, 2830136, 4952738, 9905476, 19810952]

約数ペア:

[(1, 19810952), (2, 9905476), (4, 4952738), (7, 2830136), (8, 2476369), (14, 1415068), (28, 707534), (56, 353767)]