19736242

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 30139200

約数和(自身を除く): 10402958

約数列:

[1, 2, 103, 149, 206, 298, 643, 1286, 15347, 30694, 66229, 95807, 132458, 191614, 9868121, 19736242]

約数ペア:

[(1, 19736242), (2, 9868121), (103, 191614), (149, 132458), (206, 95807), (298, 66229), (643, 30694), (1286, 15347)]