18987517

素因数分解:

${\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 12

約数和(自身を含む): 20231100

約数和(自身を除く): 1243583

約数列:

[1, 19, 149, 353, 361, 2831, 6707, 52597, 53789, 127433, 999343, 18987517]

約数ペア:

[(1, 18987517), (19, 999343), (149, 127433), (353, 53789), (361, 52597), (2831, 6707)]