19962635

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11486965

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2729, 7315, 13645, 19103, 30019, 51851, 95515, 150095, 210133, 259255, 362957, 570361, 1050665, 1814785, 2851805, 3992527, 19962635]

約数ペア:

[(1, 19962635), (5, 3992527), (7, 2851805), (11, 1814785), (19, 1050665), (35, 570361), (55, 362957), (77, 259255), (95, 210133), (133, 150095), (209, 95515), (385, 51851), (665, 30019), (1045, 19103), (1463, 13645), (2729, 7315)]