18519760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33071}}^1$

素因数の和:33091

約数の個数: 40

約数和(自身を含む): 49211136

約数和(自身を除く): 30691376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33071, 66142, 132284, 165355, 231497, 264568, 330710, 462994, 529136, 661420, 925988, 1157485, 1322840, 1851976, 2314970, 2645680, 3703952, 4629940, 9259880, 18519760]

約数ペア:

[(1, 18519760), (2, 9259880), (4, 4629940), (5, 3703952), (7, 2645680), (8, 2314970), (10, 1851976), (14, 1322840), (16, 1157485), (20, 925988), (28, 661420), (35, 529136), (40, 462994), (56, 330710), (70, 264568), (80, 231497), (112, 165355), (140, 132284), (280, 66142), (560, 33071)]