18911784

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{5669}}^1$

素因数の和:5817

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 28716216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 5669, 11338, 17007, 22676, 34014, 45352, 68028, 136056, 787991, 1575982, 2363973, 3151964, 4727946, 6303928, 9455892, 18911784]

約数ペア:

[(1, 18911784), (2, 9455892), (3, 6303928), (4, 4727946), (6, 3151964), (8, 2363973), (12, 1575982), (24, 787991), (139, 136056), (278, 68028), (417, 45352), (556, 34014), (834, 22676), (1112, 17007), (1668, 11338), (3336, 5669)]