19537920

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 168

約数和(自身を含む): 69005196

約数和(自身を除く): 49467276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1024, 1060, 1152, 1272, 1280, 1440, 1536, 1590, 1696, 1908, 1920, 2048, 2120, 2304, 2385, 2544, 2560, 2880, 3072, 3180, 3392, 3816, 3840, 4096, 4240, 4608, 4770, 5088, 5120, 5760, 6144, 6360, 6784, 7632, 7680, 8192, 8480, 9216, 9540, 10176, 10240, 11520, 12288, 12720, 13568, 15264, 15360, 16960, 18432, 19080, 20352, 20480, 23040, 24576, 25440, 27136, 30528, 30720, 33920, 36864, 38160, 40704, 40960, 46080, 50880, 54272, 61056, 61440, 67840, 73728, 76320, 81408, 92160, 101760, 108544, 122112, 122880, 135680, 152640, 162816, 184320, 203520, 217088, 244224, 271360, 305280, 325632, 368640, 407040, 434176, 488448, 542720, 610560, 651264, 814080, 976896, 1085440, 1221120, 1302528, 1628160, 1953792, 2170880, 2442240, 3256320, 3907584, 4884480, 6512640, 9768960, 19537920]

約数ペア:

[(1, 19537920), (2, 9768960), (3, 6512640), (4, 4884480), (5, 3907584), (6, 3256320), (8, 2442240), (9, 2170880), (10, 1953792), (12, 1628160), (15, 1302528), (16, 1221120), (18, 1085440), (20, 976896), (24, 814080), (30, 651264), (32, 610560), (36, 542720), (40, 488448), (45, 434176), (48, 407040), (53, 368640), (60, 325632), (64, 305280), (72, 271360), (80, 244224), (90, 217088), (96, 203520), (106, 184320), (120, 162816), (128, 152640), (144, 135680), (159, 122880), (160, 122112), (180, 108544), (192, 101760), (212, 92160), (240, 81408), (256, 76320), (265, 73728), (288, 67840), (318, 61440), (320, 61056), (360, 54272), (384, 50880), (424, 46080), (477, 40960), (480, 40704), (512, 38160), (530, 36864), (576, 33920), (636, 30720), (640, 30528), (720, 27136), (768, 25440), (795, 24576), (848, 23040), (954, 20480), (960, 20352), (1024, 19080), (1060, 18432), (1152, 16960), (1272, 15360), (1280, 15264), (1440, 13568), (1536, 12720), (1590, 12288), (1696, 11520), (1908, 10240), (1920, 10176), (2048, 9540), (2120, 9216), (2304, 8480), (2385, 8192), (2544, 7680), (2560, 7632), (2880, 6784), (3072, 6360), (3180, 6144), (3392, 5760), (3816, 5120), (3840, 5088), (4096, 4770), (4240, 4608)]