18319287

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 30016000

約数和(自身を除く): 11696713

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 937, 1029, 2793, 2811, 6517, 6559, 17803, 19551, 19677, 45913, 53409, 124621, 137739, 321391, 373863, 872347, 964173, 2617041, 6106429, 18319287]

約数ペア:

[(1, 18319287), (3, 6106429), (7, 2617041), (19, 964173), (21, 872347), (49, 373863), (57, 321391), (133, 137739), (147, 124621), (343, 53409), (399, 45913), (931, 19677), (937, 19551), (1029, 17803), (2793, 6559), (2811, 6517)]