19428804

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7393}}^1$

素因数の和:7476

約数の個数: 36

約数和(自身を含む): 49791196

約数和(自身を除く): 30362392

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7393, 14786, 22179, 29572, 44358, 66537, 88716, 133074, 266148, 539689, 1079378, 1619067, 2158756, 3238134, 4857201, 6476268, 9714402, 19428804]

約数ペア:

[(1, 19428804), (2, 9714402), (3, 6476268), (4, 4857201), (6, 3238134), (9, 2158756), (12, 1619067), (18, 1079378), (36, 539689), (73, 266148), (146, 133074), (219, 88716), (292, 66537), (438, 44358), (657, 29572), (876, 22179), (1314, 14786), (2628, 7393)]