19545470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{279221}}^1$

素因数の和:279235

約数の個数: 16

約数和(自身を含む): 40207968

約数和(自身を除く): 20662498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 279221, 558442, 1396105, 1954547, 2792210, 3909094, 9772735, 19545470]

約数ペア:

[(1, 19545470), (2, 9772735), (5, 3909094), (7, 2792210), (10, 1954547), (14, 1396105), (35, 558442), (70, 279221)]