11809868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 25267200

約数和(自身を除く): 13457332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 281, 316, 532, 553, 562, 1106, 1124, 1501, 1967, 2212, 3002, 3934, 5339, 6004, 7868, 10507, 10678, 21014, 21356, 22199, 37373, 42028, 44398, 74746, 88796, 149492, 155393, 310786, 421781, 621572, 843562, 1687124, 2952467, 5904934, 11809868]

約数ペア:

[(1, 11809868), (2, 5904934), (4, 2952467), (7, 1687124), (14, 843562), (19, 621572), (28, 421781), (38, 310786), (76, 155393), (79, 149492), (133, 88796), (158, 74746), (266, 44398), (281, 42028), (316, 37373), (532, 22199), (553, 21356), (562, 21014), (1106, 10678), (1124, 10507), (1501, 7868), (1967, 6004), (2212, 5339), (3002, 3934)]