19703619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2029}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 31034640

約数和(自身を除く): 11331021

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2029, 3237, 6087, 9711, 18261, 26377, 79131, 168407, 237393, 505221, 1515663, 2189291, 6567873, 19703619]

約数ペア:

[(1, 19703619), (3, 6567873), (9, 2189291), (13, 1515663), (39, 505221), (83, 237393), (117, 168407), (249, 79131), (747, 26377), (1079, 18261), (2029, 9711), (3237, 6087)]