17938970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1021}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 37086336

約数和(自身を除く): 19147366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1021, 1255, 1757, 2042, 2510, 3514, 5105, 7147, 8785, 10210, 14294, 17570, 35735, 71470, 256271, 512542, 1281355, 1793897, 2562710, 3587794, 8969485, 17938970]

約数ペア:

[(1, 17938970), (2, 8969485), (5, 3587794), (7, 2562710), (10, 1793897), (14, 1281355), (35, 512542), (70, 256271), (251, 71470), (502, 35735), (1021, 17570), (1255, 14294), (1757, 10210), (2042, 8785), (2510, 7147), (3514, 5105)]