18221008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5153}}^1$

素因数の和:5191

約数の個数: 40

約数和(自身を含む): 40263048

約数和(自身を除く): 22042040

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5153, 10306, 20612, 41224, 66989, 82448, 87601, 133978, 175202, 267956, 350404, 535912, 700808, 1071824, 1138813, 1401616, 2277626, 4555252, 9110504, 18221008]

約数ペア:

[(1, 18221008), (2, 9110504), (4, 4555252), (8, 2277626), (13, 1401616), (16, 1138813), (17, 1071824), (26, 700808), (34, 535912), (52, 350404), (68, 267956), (104, 175202), (136, 133978), (208, 87601), (221, 82448), (272, 66989), (442, 41224), (884, 20612), (1768, 10306), (3536, 5153)]