19955952

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1150

約数の個数: 60

約数和(自身を含む): 56307160

約数和(自身を除く): 36351208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 997, 1112, 1251, 1668, 1994, 2224, 2502, 2991, 3336, 3988, 5004, 5982, 6672, 7976, 8973, 10008, 11964, 15952, 17946, 20016, 23928, 35892, 47856, 71784, 138583, 143568, 277166, 415749, 554332, 831498, 1108664, 1247247, 1662996, 2217328, 2494494, 3325992, 4988988, 6651984, 9977976, 19955952]

約数ペア:

[(1, 19955952), (2, 9977976), (3, 6651984), (4, 4988988), (6, 3325992), (8, 2494494), (9, 2217328), (12, 1662996), (16, 1247247), (18, 1108664), (24, 831498), (36, 554332), (48, 415749), (72, 277166), (139, 143568), (144, 138583), (278, 71784), (417, 47856), (556, 35892), (834, 23928), (997, 20016), (1112, 17946), (1251, 15952), (1668, 11964), (1994, 10008), (2224, 8973), (2502, 7976), (2991, 6672), (3336, 5982), (3988, 5004)]