19816630401

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{234181}}^1$

素因数の和:234672

約数の個数: 16

約数和(自身を含む): 26880346688

約数和(自身を除く): 7063716287

約数列:

[1, 3, 67, 201, 421, 1263, 28207, 84621, 234181, 702543, 15690127, 47070381, 98590201, 295770603, 6605543467, 19816630401]

約数ペア:

[(1, 19816630401), (3, 6605543467), (67, 295770603), (201, 98590201), (421, 47070381), (1263, 15690127), (28207, 702543), (84621, 234181)]