18455960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9817}}^1$

素因数の和:9875

約数の個数: 32

約数和(自身を含む): 42413760

約数和(自身を除く): 23957800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9817, 19634, 39268, 49085, 78536, 98170, 196340, 392680, 461399, 922798, 1845596, 2306995, 3691192, 4613990, 9227980, 18455960]

約数ペア:

[(1, 18455960), (2, 9227980), (4, 4613990), (5, 3691192), (8, 2306995), (10, 1845596), (20, 922798), (40, 461399), (47, 392680), (94, 196340), (188, 98170), (235, 78536), (376, 49085), (470, 39268), (940, 19634), (1880, 9817)]