18942231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 32237568

約数和(自身を除く): 13295337

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1907, 3311, 5721, 9933, 13349, 20977, 40047, 62931, 82001, 146839, 246003, 440517, 574007, 902011, 1722021, 2706033, 6314077, 18942231]

約数ペア:

[(1, 18942231), (3, 6314077), (7, 2706033), (11, 1722021), (21, 902011), (33, 574007), (43, 440517), (77, 246003), (129, 146839), (231, 82001), (301, 62931), (473, 40047), (903, 20977), (1419, 13349), (1907, 9933), (3311, 5721)]