18940724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5543

約数の個数: 24

約数和(自身を含む): 36624000

約数和(自身を除く): 17683276

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5449, 10898, 21796, 59939, 119878, 239756, 430471, 860942, 1721884, 4735181, 9470362, 18940724]

約数ペア:

[(1, 18940724), (2, 9470362), (4, 4735181), (11, 1721884), (22, 860942), (44, 430471), (79, 239756), (158, 119878), (316, 59939), (869, 21796), (1738, 10898), (3476, 5449)]