19618269

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5261}}^1$

素因数の和:5388

約数の個数: 16

約数和(自身を含む): 28793664

約数和(自身を除く): 9175395

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5261, 15783, 57871, 173613, 594493, 1783479, 6539423, 19618269]

約数ペア:

[(1, 19618269), (3, 6539423), (11, 1783479), (33, 594493), (113, 173613), (339, 57871), (1243, 15783), (3729, 5261)]