19649392

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 60

約数和(自身を含む): 45037296

約数和(自身を除く): 25387904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 353, 392, 497, 568, 706, 784, 994, 1136, 1412, 1988, 2471, 2824, 3479, 3976, 4942, 5648, 6958, 7952, 9884, 13916, 17297, 19768, 25063, 27832, 34594, 39536, 50126, 55664, 69188, 100252, 138376, 175441, 200504, 276752, 350882, 401008, 701764, 1228087, 1403528, 2456174, 2807056, 4912348, 9824696, 19649392]

約数ペア:

[(1, 19649392), (2, 9824696), (4, 4912348), (7, 2807056), (8, 2456174), (14, 1403528), (16, 1228087), (28, 701764), (49, 401008), (56, 350882), (71, 276752), (98, 200504), (112, 175441), (142, 138376), (196, 100252), (284, 69188), (353, 55664), (392, 50126), (497, 39536), (568, 34594), (706, 27832), (784, 25063), (994, 19768), (1136, 17297), (1412, 13916), (1988, 9884), (2471, 7952), (2824, 6958), (3479, 5648), (3976, 4942)]