19373060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27801340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1949, 1988, 2485, 3898, 4970, 7796, 9745, 9940, 13643, 19490, 27286, 38980, 54572, 68215, 136430, 138379, 272860, 276758, 553516, 691895, 968653, 1383790, 1937306, 2767580, 3874612, 4843265, 9686530, 19373060]

約数ペア:

[(1, 19373060), (2, 9686530), (4, 4843265), (5, 3874612), (7, 2767580), (10, 1937306), (14, 1383790), (20, 968653), (28, 691895), (35, 553516), (70, 276758), (71, 272860), (140, 138379), (142, 136430), (284, 68215), (355, 54572), (497, 38980), (710, 27286), (994, 19490), (1420, 13643), (1949, 9940), (1988, 9745), (2485, 7796), (3898, 4970)]