19961768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80491}}^1$

素因数の和:80528

約数の個数: 16

約数和(自身を含む): 38636160

約数和(自身を除く): 18674392

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80491, 160982, 321964, 643928, 2495221, 4990442, 9980884, 19961768]

約数ペア:

[(1, 19961768), (2, 9980884), (4, 4990442), (8, 2495221), (31, 643928), (62, 321964), (124, 160982), (248, 80491)]