17974960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9805

約数の個数: 40

約数和(自身を含む): 43613280

約数和(自身を除く): 25638320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9769, 19538, 39076, 48845, 78152, 97690, 156304, 195380, 224687, 390760, 449374, 781520, 898748, 1123435, 1797496, 2246870, 3594992, 4493740, 8987480, 17974960]

約数ペア:

[(1, 17974960), (2, 8987480), (4, 4493740), (5, 3594992), (8, 2246870), (10, 1797496), (16, 1123435), (20, 898748), (23, 781520), (40, 449374), (46, 390760), (80, 224687), (92, 195380), (115, 156304), (184, 97690), (230, 78152), (368, 48845), (460, 39076), (920, 19538), (1840, 9769)]