18487119

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 29399040

約数和(自身を除く): 10911921

約数列:

[1, 3, 7, 21, 43, 59, 129, 177, 301, 347, 413, 903, 1041, 1239, 2429, 2537, 7287, 7611, 14921, 17759, 20473, 44763, 53277, 61419, 104447, 143311, 313341, 429933, 880339, 2641017, 6162373, 18487119]

約数ペア:

[(1, 18487119), (3, 6162373), (7, 2641017), (21, 880339), (43, 429933), (59, 313341), (129, 143311), (177, 104447), (301, 61419), (347, 53277), (413, 44763), (903, 20473), (1041, 17759), (1239, 14921), (2429, 7611), (2537, 7287)]