17939484880

素因数分解:

$2^4\times 5^1\times {\mathrm{911}}^1\times {\mathrm{246151}}^1$

素因数の和:247075

約数の個数: 40

約数和(自身を含む): 41755256064

約数和(自身を除く): 23815771184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911, 1822, 3644, 4555, 7288, 9110, 14576, 18220, 36440, 72880, 246151, 492302, 984604, 1230755, 1969208, 2461510, 3938416, 4923020, 9846040, 19692080, 224243561, 448487122, 896974244, 1121217805, 1793948488, 2242435610, 3587896976, 4484871220, 8969742440, 17939484880]

約数ペア:

[(1, 17939484880), (2, 8969742440), (4, 4484871220), (5, 3587896976), (8, 2242435610), (10, 1793948488), (16, 1121217805), (20, 896974244), (40, 448487122), (80, 224243561), (911, 19692080), (1822, 9846040), (3644, 4923020), (4555, 3938416), (7288, 2461510), (9110, 1969208), (14576, 1230755), (18220, 984604), (36440, 492302), (72880, 246151)]