19828041

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 27535104

約数和(自身を除く): 7707063

約数列:

[1, 3, 37, 73, 111, 219, 2447, 2701, 7341, 8103, 90539, 178631, 271617, 535893, 6609347, 19828041]

約数ペア:

[(1, 19828041), (3, 6609347), (37, 535893), (73, 271617), (111, 178631), (219, 90539), (2447, 8103), (2701, 7341)]