18702080

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 47216400

約数和(自身を除く): 28514320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 769, 1216, 1280, 1520, 1538, 2432, 3040, 3076, 3845, 4864, 6080, 6152, 7690, 12160, 12304, 14611, 15380, 24320, 24608, 29222, 30760, 49216, 58444, 61520, 73055, 98432, 116888, 123040, 146110, 196864, 233776, 246080, 292220, 467552, 492160, 584440, 935104, 984320, 1168880, 1870208, 2337760, 3740416, 4675520, 9351040, 18702080]

約数ペア:

[(1, 18702080), (2, 9351040), (4, 4675520), (5, 3740416), (8, 2337760), (10, 1870208), (16, 1168880), (19, 984320), (20, 935104), (32, 584440), (38, 492160), (40, 467552), (64, 292220), (76, 246080), (80, 233776), (95, 196864), (128, 146110), (152, 123040), (160, 116888), (190, 98432), (256, 73055), (304, 61520), (320, 58444), (380, 49216), (608, 30760), (640, 29222), (760, 24608), (769, 24320), (1216, 15380), (1280, 14611), (1520, 12304), (1538, 12160), (2432, 7690), (3040, 6152), (3076, 6080), (3845, 4864)]