18442180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7039}}^1$

素因数の和:7179

約数の個数: 24

約数和(自身を含む): 39029760

約数和(自身を除く): 20587580

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7039, 14078, 28156, 35195, 70390, 140780, 922109, 1844218, 3688436, 4610545, 9221090, 18442180]

約数ペア:

[(1, 18442180), (2, 9221090), (4, 4610545), (5, 3688436), (10, 1844218), (20, 922109), (131, 140780), (262, 70390), (524, 35195), (655, 28156), (1310, 14078), (2620, 7039)]