19193907

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 26307072

約数和(自身を除く): 7113165

約数列:

[1, 3, 47, 141, 197, 591, 691, 2073, 9259, 27777, 32477, 97431, 136127, 408381, 6397969, 19193907]

約数ペア:

[(1, 19193907), (3, 6397969), (47, 408381), (141, 136127), (197, 97431), (591, 32477), (691, 27777), (2073, 9259)]