18586883

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 23808000

約数和(自身を除く): 5221117

約数列:

[1, 7, 19, 29, 61, 79, 133, 203, 427, 551, 553, 1159, 1501, 1769, 2291, 3857, 4819, 8113, 10507, 12383, 16037, 33611, 33733, 43529, 91561, 139751, 235277, 304703, 640927, 978257, 2655269, 18586883]

約数ペア:

[(1, 18586883), (7, 2655269), (19, 978257), (29, 640927), (61, 304703), (79, 235277), (133, 139751), (203, 91561), (427, 43529), (551, 33733), (553, 33611), (1159, 16037), (1501, 12383), (1769, 10507), (2291, 8113), (3857, 4819)]