18440090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17903}}^1$

素因数の和:18013

約数の個数: 16

約数和(自身を含む): 33516288

約数和(自身を除く): 15076198

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 17903, 35806, 89515, 179030, 1844009, 3688018, 9220045, 18440090]

約数ペア:

[(1, 18440090), (2, 9220045), (5, 3688018), (10, 1844009), (103, 179030), (206, 89515), (515, 35806), (1030, 17903)]