19390340

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4271}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 40908672

約数和(自身を除く): 21518332

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4271, 4540, 8542, 17084, 21355, 42710, 85420, 969517, 1939034, 3878068, 4847585, 9695170, 19390340]

約数ペア:

[(1, 19390340), (2, 9695170), (4, 4847585), (5, 3878068), (10, 1939034), (20, 969517), (227, 85420), (454, 42710), (908, 21355), (1135, 17084), (2270, 8542), (4271, 4540)]