18585680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4943}}^1$

素因数の和:5003

約数の個数: 40

約数和(自身を含む): 44140032

約数和(自身を除く): 25554352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4943, 9886, 19772, 24715, 39544, 49430, 79088, 98860, 197720, 232321, 395440, 464642, 929284, 1161605, 1858568, 2323210, 3717136, 4646420, 9292840, 18585680]

約数ペア:

[(1, 18585680), (2, 9292840), (4, 4646420), (5, 3717136), (8, 2323210), (10, 1858568), (16, 1161605), (20, 929284), (40, 464642), (47, 395440), (80, 232321), (94, 197720), (188, 98860), (235, 79088), (376, 49430), (470, 39544), (752, 24715), (940, 19772), (1880, 9886), (3760, 4943)]