80685818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{11731}}^1$

素因数の和:11933

約数の個数: 16

約数和(自身を含む): 128113440

約数和(自身を除く): 47427622

約数列:

[1, 2, 19, 38, 181, 362, 3439, 6878, 11731, 23462, 222889, 445778, 2123311, 4246622, 40342909, 80685818]

約数ペア:

[(1, 80685818), (2, 40342909), (19, 4246622), (38, 2123311), (181, 445778), (362, 222889), (3439, 23462), (6878, 11731)]