18413718

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 19602282

約数列:

[1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 479, 894, 958, 1437, 2874, 6407, 12814, 19221, 20597, 38442, 41194, 61791, 71371, 123582, 142742, 214113, 428226, 3068953, 6137906, 9206859, 18413718]

約数ペア:

[(1, 18413718), (2, 9206859), (3, 6137906), (6, 3068953), (43, 428226), (86, 214113), (129, 142742), (149, 123582), (258, 71371), (298, 61791), (447, 41194), (479, 38442), (894, 20597), (958, 19221), (1437, 12814), (2874, 6407)]