18128367039

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{49393}}^1$

素因数の和:49599

約数の個数: 32

約数和(自身を含む): 26174868480

約数和(自身を除く): 8046501441

約数列:

[1, 3, 19, 47, 57, 137, 141, 411, 893, 2603, 2679, 6439, 7809, 19317, 49393, 122341, 148179, 367023, 938467, 2321471, 2815401, 6766841, 6964413, 20300523, 44107949, 128569979, 132323847, 318041527, 385709937, 954124581, 6042789013, 18128367039]

約数ペア:

[(1, 18128367039), (3, 6042789013), (19, 954124581), (47, 385709937), (57, 318041527), (137, 132323847), (141, 128569979), (411, 44107949), (893, 20300523), (2603, 6964413), (2679, 6766841), (6439, 2815401), (7809, 2321471), (19317, 938467), (49393, 367023), (122341, 148179)]