18638740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40519}}^1$

素因数の和:40551

約数の個数: 24

約数和(自身を含む): 40844160

約数和(自身を除く): 22205420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40519, 81038, 162076, 202595, 405190, 810380, 931937, 1863874, 3727748, 4659685, 9319370, 18638740]

約数ペア:

[(1, 18638740), (2, 9319370), (4, 4659685), (5, 3727748), (10, 1863874), (20, 931937), (23, 810380), (46, 405190), (92, 202595), (115, 162076), (230, 81038), (460, 40519)]