19154240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:544

約数の個数: 112

約数和(自身を含む): 55302912

約数和(自身を除く): 36148672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 503, 544, 560, 595, 680, 952, 1006, 1088, 1120, 1190, 1360, 1904, 2012, 2240, 2380, 2515, 2720, 3521, 3808, 4024, 4760, 5030, 5440, 7042, 7616, 8048, 8551, 9520, 10060, 14084, 16096, 17102, 17605, 19040, 20120, 28168, 32192, 34204, 35210, 38080, 40240, 42755, 56336, 59857, 68408, 70420, 80480, 85510, 112672, 119714, 136816, 140840, 160960, 171020, 225344, 239428, 273632, 281680, 299285, 342040, 478856, 547264, 563360, 598570, 684080, 957712, 1126720, 1197140, 1368160, 1915424, 2394280, 2736320, 3830848, 4788560, 9577120, 19154240]

約数ペア:

[(1, 19154240), (2, 9577120), (4, 4788560), (5, 3830848), (7, 2736320), (8, 2394280), (10, 1915424), (14, 1368160), (16, 1197140), (17, 1126720), (20, 957712), (28, 684080), (32, 598570), (34, 563360), (35, 547264), (40, 478856), (56, 342040), (64, 299285), (68, 281680), (70, 273632), (80, 239428), (85, 225344), (112, 171020), (119, 160960), (136, 140840), (140, 136816), (160, 119714), (170, 112672), (224, 85510), (238, 80480), (272, 70420), (280, 68408), (320, 59857), (340, 56336), (448, 42755), (476, 40240), (503, 38080), (544, 35210), (560, 34204), (595, 32192), (680, 28168), (952, 20120), (1006, 19040), (1088, 17605), (1120, 17102), (1190, 16096), (1360, 14084), (1904, 10060), (2012, 9520), (2240, 8551), (2380, 8048), (2515, 7616), (2720, 7042), (3521, 5440), (3808, 5030), (4024, 4760)]