18889072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51329}}^1$

素因数の和:51360

約数の個数: 20

約数和(自身を含む): 38189520

約数和(自身を除く): 19300448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51329, 102658, 205316, 410632, 821264, 1180567, 2361134, 4722268, 9444536, 18889072]

約数ペア:

[(1, 18889072), (2, 9444536), (4, 4722268), (8, 2361134), (16, 1180567), (23, 821264), (46, 410632), (92, 205316), (184, 102658), (368, 51329)]