19732270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 36764640

約数和(自身を除く): 17032370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 421, 430, 545, 842, 1090, 2105, 4210, 4687, 9374, 18103, 23435, 36206, 45889, 46870, 90515, 91778, 181030, 229445, 458890, 1973227, 3946454, 9866135, 19732270]

約数ペア:

[(1, 19732270), (2, 9866135), (5, 3946454), (10, 1973227), (43, 458890), (86, 229445), (109, 181030), (215, 91778), (218, 90515), (421, 46870), (430, 45889), (545, 36206), (842, 23435), (1090, 18103), (2105, 9374), (4210, 4687)]