19682864

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11497}}^1$

素因数の和:11612

約数の個数: 20

約数和(自身を含む): 38495304

約数和(自身を除く): 18812440

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11497, 22994, 45988, 91976, 183952, 1230179, 2460358, 4920716, 9841432, 19682864]

約数ペア:

[(1, 19682864), (2, 9841432), (4, 4920716), (8, 2460358), (16, 1230179), (107, 183952), (214, 91976), (428, 45988), (856, 22994), (1712, 11497)]