18555960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 37431240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 647, 717, 956, 1195, 1294, 1434, 1912, 1941, 2390, 2588, 2868, 3235, 3585, 3882, 4780, 5176, 5736, 6470, 7170, 7764, 9560, 9705, 12940, 14340, 15528, 19410, 25880, 28680, 38820, 77640, 154633, 309266, 463899, 618532, 773165, 927798, 1237064, 1546330, 1855596, 2319495, 3092660, 3711192, 4638990, 6185320, 9277980, 18555960]

約数ペア:

[(1, 18555960), (2, 9277980), (3, 6185320), (4, 4638990), (5, 3711192), (6, 3092660), (8, 2319495), (10, 1855596), (12, 1546330), (15, 1237064), (20, 927798), (24, 773165), (30, 618532), (40, 463899), (60, 309266), (120, 154633), (239, 77640), (478, 38820), (647, 28680), (717, 25880), (956, 19410), (1195, 15528), (1294, 14340), (1434, 12940), (1912, 9705), (1941, 9560), (2390, 7764), (2588, 7170), (2868, 6470), (3235, 5736), (3585, 5176), (3882, 4780)]