19440016

素因数分解:

$2^4\times {\mathrm{947}}^1\times {\mathrm{1283}}^1$

素因数の和:2238

約数の個数: 20

約数和(自身を含む): 37734192

約数和(自身を除く): 18294176

約数列:

[1, 2, 4, 8, 16, 947, 1283, 1894, 2566, 3788, 5132, 7576, 10264, 15152, 20528, 1215001, 2430002, 4860004, 9720008, 19440016]

約数ペア:

[(1, 19440016), (2, 9720008), (4, 4860004), (8, 2430002), (16, 1215001), (947, 20528), (1283, 15152), (1894, 10264), (2566, 7576), (3788, 5132)]