18518290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1931}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 38392704

約数和(自身を除く): 19874414

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 1931, 3862, 4795, 9590, 9655, 13517, 19310, 27034, 67585, 135170, 264547, 529094, 1322735, 1851829, 2645470, 3703658, 9259145, 18518290]

約数ペア:

[(1, 18518290), (2, 9259145), (5, 3703658), (7, 2645470), (10, 1851829), (14, 1322735), (35, 529094), (70, 264547), (137, 135170), (274, 67585), (685, 27034), (959, 19310), (1370, 13517), (1918, 9655), (1931, 9590), (3862, 4795)]