18889101

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 34489728

約数和(自身を除く): 15600627

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 97, 99, 231, 281, 291, 679, 693, 843, 873, 1067, 1967, 2037, 2529, 3091, 3201, 5901, 6111, 7469, 9273, 9603, 17703, 21637, 22407, 27257, 27819, 64911, 67221, 81771, 190799, 194733, 245313, 299827, 572397, 899481, 1717191, 2098789, 2698443, 6296367, 18889101]

約数ペア:

[(1, 18889101), (3, 6296367), (7, 2698443), (9, 2098789), (11, 1717191), (21, 899481), (33, 572397), (63, 299827), (77, 245313), (97, 194733), (99, 190799), (231, 81771), (281, 67221), (291, 64911), (679, 27819), (693, 27257), (843, 22407), (873, 21637), (1067, 17703), (1967, 9603), (2037, 9273), (2529, 7469), (3091, 6111), (3201, 5901)]