19920538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29209}}^1$

素因数の和:29253

約数の個数: 16

約数和(自身を含む): 33649920

約数和(自身を除く): 13729382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29209, 58418, 321299, 642598, 905479, 1810958, 9960269, 19920538]

約数ペア:

[(1, 19920538), (2, 9960269), (11, 1810958), (22, 905479), (31, 642598), (62, 321299), (341, 58418), (682, 29209)]