19661613

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 26712000

約数和(自身を除く): 7050387

約数列:

[1, 3, 89, 211, 267, 349, 633, 1047, 18779, 31061, 56337, 73639, 93183, 220917, 6553871, 19661613]

約数ペア:

[(1, 19661613), (3, 6553871), (89, 220917), (211, 93183), (267, 73639), (349, 56337), (633, 31061), (1047, 18779)]