19660716

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{3929}}^1$

素因数の和:4078

約数の個数: 36

約数和(自身を含む): 50068200

約数和(自身を除く): 30407484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3929, 5004, 7858, 11787, 15716, 23574, 35361, 47148, 70722, 141444, 546131, 1092262, 1638393, 2184524, 3276786, 4915179, 6553572, 9830358, 19660716]

約数ペア:

[(1, 19660716), (2, 9830358), (3, 6553572), (4, 4915179), (6, 3276786), (9, 2184524), (12, 1638393), (18, 1092262), (36, 546131), (139, 141444), (278, 70722), (417, 47148), (556, 35361), (834, 23574), (1251, 15716), (1668, 11787), (2502, 7858), (3929, 5004)]