19780086

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{76667}}^1$

素因数の和:76715

約数の個数: 16

約数和(自身を含む): 40480704

約数和(自身を除く): 20700618

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 76667, 153334, 230001, 460002, 3296681, 6593362, 9890043, 19780086]

約数ペア:

[(1, 19780086), (2, 9890043), (3, 6593362), (6, 3296681), (43, 460002), (86, 230001), (129, 153334), (258, 76667)]