18839548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 41191360

約数和(自身を除く): 22351812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 709, 949, 1022, 1418, 1898, 2044, 2836, 3796, 4963, 6643, 9217, 9926, 13286, 18434, 19852, 26572, 36868, 51757, 64519, 103514, 129038, 207028, 258076, 362299, 672841, 724598, 1345682, 1449196, 2691364, 4709887, 9419774, 18839548]

約数ペア:

[(1, 18839548), (2, 9419774), (4, 4709887), (7, 2691364), (13, 1449196), (14, 1345682), (26, 724598), (28, 672841), (52, 362299), (73, 258076), (91, 207028), (146, 129038), (182, 103514), (292, 64519), (364, 51757), (511, 36868), (709, 26572), (949, 19852), (1022, 18434), (1418, 13286), (1898, 9926), (2044, 9217), (2836, 6643), (3796, 4963)]