19741264

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1907}}^1$

素因数の和:2562

約数の個数: 20

約数和(自身を含む): 38327904

約数和(自身を除く): 18586640

約数列:

[1, 2, 4, 8, 16, 647, 1294, 1907, 2588, 3814, 5176, 7628, 10352, 15256, 30512, 1233829, 2467658, 4935316, 9870632, 19741264]

約数ペア:

[(1, 19741264), (2, 9870632), (4, 4935316), (8, 2467658), (16, 1233829), (647, 30512), (1294, 15256), (1907, 10352), (2588, 7628), (3814, 5176)]