18380800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{359}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 45700200

約数和(自身を除く): 27319400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 359, 400, 512, 640, 718, 800, 1024, 1280, 1436, 1600, 1795, 2048, 2560, 2872, 3200, 3590, 5120, 5744, 6400, 7180, 8975, 10240, 11488, 12800, 14360, 17950, 22976, 25600, 28720, 35900, 45952, 51200, 57440, 71800, 91904, 114880, 143600, 183808, 229760, 287200, 367616, 459520, 574400, 735232, 919040, 1148800, 1838080, 2297600, 3676160, 4595200, 9190400, 18380800]

約数ペア:

[(1, 18380800), (2, 9190400), (4, 4595200), (5, 3676160), (8, 2297600), (10, 1838080), (16, 1148800), (20, 919040), (25, 735232), (32, 574400), (40, 459520), (50, 367616), (64, 287200), (80, 229760), (100, 183808), (128, 143600), (160, 114880), (200, 91904), (256, 71800), (320, 57440), (359, 51200), (400, 45952), (512, 35900), (640, 28720), (718, 25600), (800, 22976), (1024, 17950), (1280, 14360), (1436, 12800), (1600, 11488), (1795, 10240), (2048, 8975), (2560, 7180), (2872, 6400), (3200, 5744), (3590, 5120)]