18784376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7853}}^1$

素因数の和:7895

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 20799784

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 7853, 15706, 31412, 62824, 102089, 180619, 204178, 361238, 408356, 722476, 816712, 1444952, 2348047, 4696094, 9392188, 18784376]

約数ペア:

[(1, 18784376), (2, 9392188), (4, 4696094), (8, 2348047), (13, 1444952), (23, 816712), (26, 722476), (46, 408356), (52, 361238), (92, 204178), (104, 180619), (184, 102089), (299, 62824), (598, 31412), (1196, 15706), (2392, 7853)]