18975568

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3583}}^1$

素因数の和:3922

約数の個数: 20

約数和(自身を含む): 36886528

約数和(自身を除く): 17910960

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3583, 5296, 7166, 14332, 28664, 57328, 1185973, 2371946, 4743892, 9487784, 18975568]

約数ペア:

[(1, 18975568), (2, 9487784), (4, 4743892), (8, 2371946), (16, 1185973), (331, 57328), (662, 28664), (1324, 14332), (2648, 7166), (3583, 5296)]