18882448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3991

約数の個数: 40

約数和(自身を含む): 41122368

約数和(自身を除く): 22239920

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 3947, 4784, 7894, 15788, 31576, 51311, 63152, 90781, 102622, 181562, 205244, 363124, 410488, 726248, 820976, 1180153, 1452496, 2360306, 4720612, 9441224, 18882448]

約数ペア:

[(1, 18882448), (2, 9441224), (4, 4720612), (8, 2360306), (13, 1452496), (16, 1180153), (23, 820976), (26, 726248), (46, 410488), (52, 363124), (92, 205244), (104, 181562), (184, 102622), (208, 90781), (299, 63152), (368, 51311), (598, 31576), (1196, 15788), (2392, 7894), (3947, 4784)]