19577760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40787}}^1$

素因数の和:40805

約数の個数: 48

約数和(自身を含む): 61671456

約数和(自身を除く): 42093696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40787, 81574, 122361, 163148, 203935, 244722, 326296, 407870, 489444, 611805, 652592, 815740, 978888, 1223610, 1305184, 1631480, 1957776, 2447220, 3262960, 3915552, 4894440, 6525920, 9788880, 19577760]

約数ペア:

[(1, 19577760), (2, 9788880), (3, 6525920), (4, 4894440), (5, 3915552), (6, 3262960), (8, 2447220), (10, 1957776), (12, 1631480), (15, 1305184), (16, 1223610), (20, 978888), (24, 815740), (30, 652592), (32, 611805), (40, 489444), (48, 407870), (60, 326296), (80, 244722), (96, 203935), (120, 163148), (160, 122361), (240, 81574), (480, 40787)]