19435216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71453}}^1$

素因数の和:71478

約数の個数: 20

約数和(自身を含む): 39871332

約数和(自身を除く): 20436116

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71453, 142906, 285812, 571624, 1143248, 1214701, 2429402, 4858804, 9717608, 19435216]

約数ペア:

[(1, 19435216), (2, 9717608), (4, 4858804), (8, 2429402), (16, 1214701), (17, 1143248), (34, 571624), (68, 285812), (136, 142906), (272, 71453)]