18981072

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 120

約数和(自身を含む): 60585408

約数和(自身を除く): 41604336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 33, 36, 44, 46, 48, 66, 69, 72, 88, 92, 99, 132, 138, 144, 176, 184, 198, 207, 253, 264, 276, 368, 396, 414, 506, 521, 528, 552, 759, 792, 828, 1012, 1042, 1104, 1518, 1563, 1584, 1656, 2024, 2084, 2277, 3036, 3126, 3312, 4048, 4168, 4554, 4689, 5731, 6072, 6252, 8336, 9108, 9378, 11462, 11983, 12144, 12504, 17193, 18216, 18756, 22924, 23966, 25008, 34386, 35949, 36432, 37512, 45848, 47932, 51579, 68772, 71898, 75024, 91696, 95864, 103158, 107847, 131813, 137544, 143796, 191728, 206316, 215694, 263626, 275088, 287592, 395439, 412632, 431388, 527252, 575184, 790878, 825264, 862776, 1054504, 1186317, 1581756, 1725552, 2109008, 2372634, 3163512, 4745268, 6327024, 9490536, 18981072]

約数ペア:

[(1, 18981072), (2, 9490536), (3, 6327024), (4, 4745268), (6, 3163512), (8, 2372634), (9, 2109008), (11, 1725552), (12, 1581756), (16, 1186317), (18, 1054504), (22, 862776), (23, 825264), (24, 790878), (33, 575184), (36, 527252), (44, 431388), (46, 412632), (48, 395439), (66, 287592), (69, 275088), (72, 263626), (88, 215694), (92, 206316), (99, 191728), (132, 143796), (138, 137544), (144, 131813), (176, 107847), (184, 103158), (198, 95864), (207, 91696), (253, 75024), (264, 71898), (276, 68772), (368, 51579), (396, 47932), (414, 45848), (506, 37512), (521, 36432), (528, 35949), (552, 34386), (759, 25008), (792, 23966), (828, 22924), (1012, 18756), (1042, 18216), (1104, 17193), (1518, 12504), (1563, 12144), (1584, 11983), (1656, 11462), (2024, 9378), (2084, 9108), (2277, 8336), (3036, 6252), (3126, 6072), (3312, 5731), (4048, 4689), (4168, 4554)]