18103668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 31248012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 67, 69, 89, 92, 132, 134, 138, 178, 201, 253, 267, 268, 276, 356, 402, 506, 534, 737, 759, 804, 979, 1012, 1068, 1474, 1518, 1541, 1958, 2047, 2211, 2937, 2948, 3036, 3082, 3916, 4094, 4422, 4623, 5874, 5963, 6141, 6164, 8188, 8844, 9246, 11748, 11926, 12282, 16951, 17889, 18492, 22517, 23852, 24564, 33902, 35778, 45034, 50853, 65593, 67551, 67804, 71556, 90068, 101706, 131186, 135102, 137149, 196779, 203412, 262372, 270204, 274298, 393558, 411447, 548596, 787116, 822894, 1508639, 1645788, 3017278, 4525917, 6034556, 9051834, 18103668]

約数ペア:

[(1, 18103668), (2, 9051834), (3, 6034556), (4, 4525917), (6, 3017278), (11, 1645788), (12, 1508639), (22, 822894), (23, 787116), (33, 548596), (44, 411447), (46, 393558), (66, 274298), (67, 270204), (69, 262372), (89, 203412), (92, 196779), (132, 137149), (134, 135102), (138, 131186), (178, 101706), (201, 90068), (253, 71556), (267, 67804), (268, 67551), (276, 65593), (356, 50853), (402, 45034), (506, 35778), (534, 33902), (737, 24564), (759, 23852), (804, 22517), (979, 18492), (1012, 17889), (1068, 16951), (1474, 12282), (1518, 11926), (1541, 11748), (1958, 9246), (2047, 8844), (2211, 8188), (2937, 6164), (2948, 6141), (3036, 5963), (3082, 5874), (3916, 4623), (4094, 4422)]