19934992

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1471}}^1$

素因数の和:1508

約数の個数: 60

約数和(自身を含む): 48552448

約数和(自身を除く): 28617456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1471, 1694, 1936, 2942, 3388, 5884, 6776, 10297, 11768, 13552, 16181, 20594, 23536, 32362, 41188, 64724, 82376, 113267, 129448, 164752, 177991, 226534, 258896, 355982, 453068, 711964, 906136, 1245937, 1423928, 1812272, 2491874, 2847856, 4983748, 9967496, 19934992]

約数ペア:

[(1, 19934992), (2, 9967496), (4, 4983748), (7, 2847856), (8, 2491874), (11, 1812272), (14, 1423928), (16, 1245937), (22, 906136), (28, 711964), (44, 453068), (56, 355982), (77, 258896), (88, 226534), (112, 177991), (121, 164752), (154, 129448), (176, 113267), (242, 82376), (308, 64724), (484, 41188), (616, 32362), (847, 23536), (968, 20594), (1232, 16181), (1471, 13552), (1694, 11768), (1936, 10297), (2942, 6776), (3388, 5884)]