19128860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30853}}^1$

素因数の和:30893

約数の個数: 24

約数和(自身を含む): 41467776

約数和(自身を除く): 22338916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30853, 61706, 123412, 154265, 308530, 617060, 956443, 1912886, 3825772, 4782215, 9564430, 19128860]

約数ペア:

[(1, 19128860), (2, 9564430), (4, 4782215), (5, 3825772), (10, 1912886), (20, 956443), (31, 617060), (62, 308530), (124, 154265), (155, 123412), (310, 61706), (620, 30853)]