19781768

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{24007}}^1$

素因数の和:24116

約数の個数: 16

約数和(自身を含む): 37452480

約数和(自身を除く): 17670712

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 24007, 48014, 96028, 192056, 2472721, 4945442, 9890884, 19781768]

約数ペア:

[(1, 19781768), (2, 9890884), (4, 4945442), (8, 2472721), (103, 192056), (206, 96028), (412, 48014), (824, 24007)]