18913716

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2485

約数の個数: 48

約数和(自身を含む): 49728000

約数和(自身を除く): 30814284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2399, 2628, 3942, 4798, 7197, 7884, 9596, 14394, 21591, 28788, 43182, 64773, 86364, 129546, 175127, 259092, 350254, 525381, 700508, 1050762, 1576143, 2101524, 3152286, 4728429, 6304572, 9456858, 18913716]

約数ペア:

[(1, 18913716), (2, 9456858), (3, 6304572), (4, 4728429), (6, 3152286), (9, 2101524), (12, 1576143), (18, 1050762), (27, 700508), (36, 525381), (54, 350254), (73, 259092), (108, 175127), (146, 129546), (219, 86364), (292, 64773), (438, 43182), (657, 28788), (876, 21591), (1314, 14394), (1971, 9596), (2399, 7884), (2628, 7197), (3942, 4798)]