12221180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 27972000

約数和(自身を除く): 15750820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1109, 2204, 2218, 2755, 4436, 5510, 5545, 11020, 11090, 21071, 22180, 32161, 42142, 64322, 84284, 105355, 128644, 160805, 210710, 321610, 421420, 611059, 643220, 1222118, 2444236, 3055295, 6110590, 12221180]

約数ペア:

[(1, 12221180), (2, 6110590), (4, 3055295), (5, 2444236), (10, 1222118), (19, 643220), (20, 611059), (29, 421420), (38, 321610), (58, 210710), (76, 160805), (95, 128644), (116, 105355), (145, 84284), (190, 64322), (290, 42142), (380, 32161), (551, 22180), (580, 21071), (1102, 11090), (1109, 11020), (2204, 5545), (2218, 5510), (2755, 4436)]