19729732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12119}}^1$

素因数の和:12171

約数の個数: 24

約数和(自身を含む): 38687040

約数和(自身を除く): 18957308

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12119, 24238, 48476, 133309, 266618, 448403, 533236, 896806, 1793612, 4932433, 9864866, 19729732]

約数ペア:

[(1, 19729732), (2, 9864866), (4, 4932433), (11, 1793612), (22, 896806), (37, 533236), (44, 448403), (74, 266618), (148, 133309), (407, 48476), (814, 24238), (1628, 12119)]