19877392

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2551}}^1$

素因数の和:3046

約数の個数: 20

約数和(自身を含む): 38606656

約数和(自身を除く): 18729264

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 2551, 3896, 5102, 7792, 10204, 20408, 40816, 1242337, 2484674, 4969348, 9938696, 19877392]

約数ペア:

[(1, 19877392), (2, 9938696), (4, 4969348), (8, 2484674), (16, 1242337), (487, 40816), (974, 20408), (1948, 10204), (2551, 7792), (3896, 5102)]