18738426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6659}}^1$

素因数の和:6738

約数の個数: 32

約数和(自身を含む): 43476480

約数和(自身を除く): 24738054

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 6659, 13318, 19977, 39954, 46613, 93226, 139839, 279678, 446153, 892306, 1338459, 2676918, 3123071, 6246142, 9369213, 18738426]

約数ペア:

[(1, 18738426), (2, 9369213), (3, 6246142), (6, 3123071), (7, 2676918), (14, 1338459), (21, 892306), (42, 446153), (67, 279678), (134, 139839), (201, 93226), (402, 46613), (469, 39954), (938, 19977), (1407, 13318), (2814, 6659)]