17972960

素因数分解:

$2^5\times 5^1\times {\mathrm{112331}}^1$

素因数の和:112346

約数の個数: 24

約数和(自身を含む): 42461496

約数和(自身を除く): 24488536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 112331, 224662, 449324, 561655, 898648, 1123310, 1797296, 2246620, 3594592, 4493240, 8986480, 17972960]

約数ペア:

[(1, 17972960), (2, 8986480), (4, 4493240), (5, 3594592), (8, 2246620), (10, 1797296), (16, 1123310), (20, 898648), (32, 561655), (40, 449324), (80, 224662), (160, 112331)]