20181966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3457}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 46475520

約数和(自身を除く): 26293554

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3457, 5838, 6914, 10371, 20742, 24199, 48398, 72597, 145194, 480523, 961046, 1441569, 2883138, 3363661, 6727322, 10090983, 20181966]

約数ペア:

[(1, 20181966), (2, 10090983), (3, 6727322), (6, 3363661), (7, 2883138), (14, 1441569), (21, 961046), (42, 480523), (139, 145194), (278, 72597), (417, 48398), (834, 24199), (973, 20742), (1946, 10371), (2919, 6914), (3457, 5838)]