19927005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1097}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 36681984

約数和(自身を除く): 16754979

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 173, 519, 865, 1097, 1211, 2595, 3291, 3633, 5485, 6055, 7679, 16455, 18165, 23037, 38395, 115185, 189781, 569343, 948905, 1328467, 2846715, 3985401, 6642335, 19927005]

約数ペア:

[(1, 19927005), (3, 6642335), (5, 3985401), (7, 2846715), (15, 1328467), (21, 948905), (35, 569343), (105, 189781), (173, 115185), (519, 38395), (865, 23037), (1097, 18165), (1211, 16455), (2595, 7679), (3291, 6055), (3633, 5485)]