18591088

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 37720800

約数和(自身を除く): 19129712

約数列:

[1, 2, 4, 8, 16, 29, 58, 103, 116, 206, 232, 389, 412, 464, 778, 824, 1556, 1648, 2987, 3112, 5974, 6224, 11281, 11948, 22562, 23896, 40067, 45124, 47792, 80134, 90248, 160268, 180496, 320536, 641072, 1161943, 2323886, 4647772, 9295544, 18591088]

約数ペア:

[(1, 18591088), (2, 9295544), (4, 4647772), (8, 2323886), (16, 1161943), (29, 641072), (58, 320536), (103, 180496), (116, 160268), (206, 90248), (232, 80134), (389, 47792), (412, 45124), (464, 40067), (778, 23896), (824, 22562), (1556, 11948), (1648, 11281), (2987, 6224), (3112, 5974)]