19180918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2011}}^1$

素因数の和:2283

約数の個数: 16

約数和(自身を含む): 30421440

約数和(自身を除く): 11240522

約数列:

[1, 2, 19, 38, 251, 502, 2011, 4022, 4769, 9538, 38209, 76418, 504761, 1009522, 9590459, 19180918]

約数ペア:

[(1, 19180918), (2, 9590459), (19, 1009522), (38, 504761), (251, 76418), (502, 38209), (2011, 9538), (4022, 4769)]