18147884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{63901}}^1$

素因数の和:63976

約数の個数: 12

約数和(自身を含む): 32206608

約数和(自身を除く): 14058724

約数列:

[1, 2, 4, 71, 142, 284, 63901, 127802, 255604, 4536971, 9073942, 18147884]

約数ペア:

[(1, 18147884), (2, 9073942), (4, 4536971), (71, 255604), (142, 127802), (284, 63901)]