19478206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23929}}^1$

素因数の和:23979

約数の個数: 16

約数和(自身を含む): 32736240

約数和(自身を除く): 13258034

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23929, 47858, 263219, 526438, 885373, 1770746, 9739103, 19478206]

約数ペア:

[(1, 19478206), (2, 9739103), (11, 1770746), (22, 885373), (37, 526438), (74, 263219), (407, 47858), (814, 23929)]