19445760

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{211}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 67714920

約数和(自身を除く): 48269160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 211, 240, 256, 288, 320, 360, 384, 422, 480, 512, 576, 633, 640, 720, 768, 844, 960, 1024, 1055, 1152, 1266, 1280, 1440, 1536, 1688, 1899, 1920, 2048, 2110, 2304, 2532, 2560, 2880, 3072, 3165, 3376, 3798, 3840, 4220, 4608, 5064, 5120, 5760, 6144, 6330, 6752, 7596, 7680, 8440, 9216, 9495, 10128, 10240, 11520, 12660, 13504, 15192, 15360, 16880, 18432, 18990, 20256, 23040, 25320, 27008, 30384, 30720, 33760, 37980, 40512, 46080, 50640, 54016, 60768, 67520, 75960, 81024, 92160, 101280, 108032, 121536, 135040, 151920, 162048, 202560, 216064, 243072, 270080, 303840, 324096, 405120, 432128, 486144, 540160, 607680, 648192, 810240, 972288, 1080320, 1215360, 1296384, 1620480, 1944576, 2160640, 2430720, 3240960, 3889152, 4861440, 6481920, 9722880, 19445760]

約数ペア:

[(1, 19445760), (2, 9722880), (3, 6481920), (4, 4861440), (5, 3889152), (6, 3240960), (8, 2430720), (9, 2160640), (10, 1944576), (12, 1620480), (15, 1296384), (16, 1215360), (18, 1080320), (20, 972288), (24, 810240), (30, 648192), (32, 607680), (36, 540160), (40, 486144), (45, 432128), (48, 405120), (60, 324096), (64, 303840), (72, 270080), (80, 243072), (90, 216064), (96, 202560), (120, 162048), (128, 151920), (144, 135040), (160, 121536), (180, 108032), (192, 101280), (211, 92160), (240, 81024), (256, 75960), (288, 67520), (320, 60768), (360, 54016), (384, 50640), (422, 46080), (480, 40512), (512, 37980), (576, 33760), (633, 30720), (640, 30384), (720, 27008), (768, 25320), (844, 23040), (960, 20256), (1024, 18990), (1055, 18432), (1152, 16880), (1266, 15360), (1280, 15192), (1440, 13504), (1536, 12660), (1688, 11520), (1899, 10240), (1920, 10128), (2048, 9495), (2110, 9216), (2304, 8440), (2532, 7680), (2560, 7596), (2880, 6752), (3072, 6330), (3165, 6144), (3376, 5760), (3798, 5120), (3840, 5064), (4220, 4608)]