18279950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28123}}^1$

素因数の和:28148

約数の個数: 24

約数和(自身を含む): 36617448

約数和(自身を除く): 18337498

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28123, 56246, 140615, 281230, 365599, 703075, 731198, 1406150, 1827995, 3655990, 9139975, 18279950]

約数ペア:

[(1, 18279950), (2, 9139975), (5, 3655990), (10, 1827995), (13, 1406150), (25, 731198), (26, 703075), (50, 365599), (65, 281230), (130, 140615), (325, 56246), (650, 28123)]