18469136

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1719

約数の個数: 40

約数和(自身を含む): 41318784

約数和(自身を除く): 22849648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1601, 1648, 2884, 3202, 5768, 6404, 11207, 11536, 12808, 22414, 25616, 44828, 89656, 164903, 179312, 329806, 659612, 1154321, 1319224, 2308642, 2638448, 4617284, 9234568, 18469136]

約数ペア:

[(1, 18469136), (2, 9234568), (4, 4617284), (7, 2638448), (8, 2308642), (14, 1319224), (16, 1154321), (28, 659612), (56, 329806), (103, 179312), (112, 164903), (206, 89656), (412, 44828), (721, 25616), (824, 22414), (1442, 12808), (1601, 11536), (1648, 11207), (2884, 6404), (3202, 5768)]