18723840

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 176

約数和(自身を含む): 63669888

約数和(自身を除く): 44946048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 53, 60, 64, 69, 80, 92, 96, 106, 115, 120, 128, 138, 159, 160, 184, 192, 212, 230, 240, 256, 265, 276, 318, 320, 345, 368, 384, 424, 460, 480, 512, 530, 552, 636, 640, 690, 736, 768, 795, 848, 920, 960, 1024, 1060, 1104, 1219, 1272, 1280, 1380, 1472, 1536, 1590, 1696, 1840, 1920, 2120, 2208, 2438, 2544, 2560, 2760, 2944, 3072, 3180, 3392, 3657, 3680, 3840, 4240, 4416, 4876, 5088, 5120, 5520, 5888, 6095, 6360, 6784, 7314, 7360, 7680, 8480, 8832, 9752, 10176, 11040, 11776, 12190, 12720, 13568, 14628, 14720, 15360, 16960, 17664, 18285, 19504, 20352, 22080, 23552, 24380, 25440, 27136, 29256, 29440, 33920, 35328, 36570, 39008, 40704, 44160, 48760, 50880, 54272, 58512, 58880, 67840, 70656, 73140, 78016, 81408, 88320, 97520, 101760, 117024, 117760, 135680, 146280, 156032, 162816, 176640, 195040, 203520, 234048, 271360, 292560, 312064, 353280, 390080, 407040, 468096, 585120, 624128, 780160, 814080, 936192, 1170240, 1248256, 1560320, 1872384, 2340480, 3120640, 3744768, 4680960, 6241280, 9361920, 18723840]

約数ペア:

[(1, 18723840), (2, 9361920), (3, 6241280), (4, 4680960), (5, 3744768), (6, 3120640), (8, 2340480), (10, 1872384), (12, 1560320), (15, 1248256), (16, 1170240), (20, 936192), (23, 814080), (24, 780160), (30, 624128), (32, 585120), (40, 468096), (46, 407040), (48, 390080), (53, 353280), (60, 312064), (64, 292560), (69, 271360), (80, 234048), (92, 203520), (96, 195040), (106, 176640), (115, 162816), (120, 156032), (128, 146280), (138, 135680), (159, 117760), (160, 117024), (184, 101760), (192, 97520), (212, 88320), (230, 81408), (240, 78016), (256, 73140), (265, 70656), (276, 67840), (318, 58880), (320, 58512), (345, 54272), (368, 50880), (384, 48760), (424, 44160), (460, 40704), (480, 39008), (512, 36570), (530, 35328), (552, 33920), (636, 29440), (640, 29256), (690, 27136), (736, 25440), (768, 24380), (795, 23552), (848, 22080), (920, 20352), (960, 19504), (1024, 18285), (1060, 17664), (1104, 16960), (1219, 15360), (1272, 14720), (1280, 14628), (1380, 13568), (1472, 12720), (1536, 12190), (1590, 11776), (1696, 11040), (1840, 10176), (1920, 9752), (2120, 8832), (2208, 8480), (2438, 7680), (2544, 7360), (2560, 7314), (2760, 6784), (2944, 6360), (3072, 6095), (3180, 5888), (3392, 5520), (3657, 5120), (3680, 5088), (3840, 4876), (4240, 4416)]