18635520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 62399232

約数和(自身を除く): 43763712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 211, 230, 240, 256, 276, 320, 345, 368, 384, 422, 460, 480, 552, 633, 640, 690, 736, 768, 844, 920, 960, 1055, 1104, 1266, 1280, 1380, 1472, 1688, 1840, 1920, 2110, 2208, 2532, 2760, 2944, 3165, 3376, 3680, 3840, 4220, 4416, 4853, 5064, 5520, 5888, 6330, 6752, 7360, 8440, 8832, 9706, 10128, 11040, 12660, 13504, 14559, 14720, 16880, 17664, 19412, 20256, 22080, 24265, 25320, 27008, 29118, 29440, 33760, 38824, 40512, 44160, 48530, 50640, 54016, 58236, 67520, 72795, 77648, 81024, 88320, 97060, 101280, 116472, 135040, 145590, 155296, 162048, 194120, 202560, 232944, 270080, 291180, 310592, 388240, 405120, 465888, 582360, 621184, 776480, 810240, 931776, 1164720, 1242368, 1552960, 1863552, 2329440, 3105920, 3727104, 4658880, 6211840, 9317760, 18635520]

約数ペア:

[(1, 18635520), (2, 9317760), (3, 6211840), (4, 4658880), (5, 3727104), (6, 3105920), (8, 2329440), (10, 1863552), (12, 1552960), (15, 1242368), (16, 1164720), (20, 931776), (23, 810240), (24, 776480), (30, 621184), (32, 582360), (40, 465888), (46, 405120), (48, 388240), (60, 310592), (64, 291180), (69, 270080), (80, 232944), (92, 202560), (96, 194120), (115, 162048), (120, 155296), (128, 145590), (138, 135040), (160, 116472), (184, 101280), (192, 97060), (211, 88320), (230, 81024), (240, 77648), (256, 72795), (276, 67520), (320, 58236), (345, 54016), (368, 50640), (384, 48530), (422, 44160), (460, 40512), (480, 38824), (552, 33760), (633, 29440), (640, 29118), (690, 27008), (736, 25320), (768, 24265), (844, 22080), (920, 20256), (960, 19412), (1055, 17664), (1104, 16880), (1266, 14720), (1280, 14559), (1380, 13504), (1472, 12660), (1688, 11040), (1840, 10128), (1920, 9706), (2110, 8832), (2208, 8440), (2532, 7360), (2760, 6752), (2944, 6330), (3165, 5888), (3376, 5520), (3680, 5064), (3840, 4853), (4220, 4416)]