19918136

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9613}}^1$

素因数の和:9663

約数の個数: 32

約数和(自身を含む): 43839840

約数和(自身を除く): 23921704

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9613, 19226, 38452, 67291, 76904, 134582, 269164, 355681, 538328, 711362, 1422724, 2489767, 2845448, 4979534, 9959068, 19918136]

約数ペア:

[(1, 19918136), (2, 9959068), (4, 4979534), (7, 2845448), (8, 2489767), (14, 1422724), (28, 711362), (37, 538328), (56, 355681), (74, 269164), (148, 134582), (259, 76904), (296, 67291), (518, 38452), (1036, 19226), (2072, 9613)]