18866128

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17599}}^1$

素因数の和:17674

約数の個数: 20

約数和(自身を含む): 37100800

約数和(自身を除く): 18234672

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17599, 35198, 70396, 140792, 281584, 1179133, 2358266, 4716532, 9433064, 18866128]

約数ペア:

[(1, 18866128), (2, 9433064), (4, 4716532), (8, 2358266), (16, 1179133), (67, 281584), (134, 140792), (268, 70396), (536, 35198), (1072, 17599)]