19512772

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13513}}^1$

素因数の和:13555

約数の個数: 18

約数和(自身を含む): 36041838

約数和(自身を除く): 16529066

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13513, 27026, 54052, 256747, 513494, 1026988, 4878193, 9756386, 19512772]

約数ペア:

[(1, 19512772), (2, 9756386), (4, 4878193), (19, 1026988), (38, 513494), (76, 256747), (361, 54052), (722, 27026), (1444, 13513)]