18565668

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 51682176

約数和(自身を除く): 33116508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 173, 198, 271, 346, 396, 519, 542, 692, 813, 1038, 1084, 1557, 1626, 1903, 2076, 2439, 2981, 3114, 3252, 3806, 4878, 5709, 5962, 6228, 7612, 8943, 9756, 11418, 11924, 17127, 17886, 22836, 26829, 34254, 35772, 46883, 53658, 68508, 93766, 107316, 140649, 187532, 281298, 421947, 515713, 562596, 843894, 1031426, 1547139, 1687788, 2062852, 3094278, 4641417, 6188556, 9282834, 18565668]

約数ペア:

[(1, 18565668), (2, 9282834), (3, 6188556), (4, 4641417), (6, 3094278), (9, 2062852), (11, 1687788), (12, 1547139), (18, 1031426), (22, 843894), (33, 562596), (36, 515713), (44, 421947), (66, 281298), (99, 187532), (132, 140649), (173, 107316), (198, 93766), (271, 68508), (346, 53658), (396, 46883), (519, 35772), (542, 34254), (692, 26829), (813, 22836), (1038, 17886), (1084, 17127), (1557, 11924), (1626, 11418), (1903, 9756), (2076, 8943), (2439, 7612), (2981, 6228), (3114, 5962), (3252, 5709), (3806, 4878)]