19401986

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9041}}^1$

素因数の和:9109

約数の個数: 16

約数和(自身を含む): 30923640

約数和(自身を除く): 11521654

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9041, 18082, 262189, 334517, 524378, 669034, 9700993, 19401986]

約数ペア:

[(1, 19401986), (2, 9700993), (29, 669034), (37, 524378), (58, 334517), (74, 262189), (1073, 18082), (2146, 9041)]