18784738

素因数分解:

$2^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 14479262

約数列:

[1, 2, 7, 14, 49, 98, 139, 197, 278, 343, 394, 686, 973, 1379, 1946, 2758, 6811, 9653, 13622, 19306, 27383, 47677, 54766, 67571, 95354, 135142, 191681, 383362, 1341767, 2683534, 9392369, 18784738]

約数ペア:

[(1, 18784738), (2, 9392369), (7, 2683534), (14, 1341767), (49, 383362), (98, 191681), (139, 135142), (197, 95354), (278, 67571), (343, 54766), (394, 47677), (686, 27383), (973, 19306), (1379, 13622), (1946, 9653), (2758, 6811)]