18261356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 36341760

約数和(自身を除く): 18080404

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 62, 76, 92, 124, 337, 437, 589, 674, 713, 874, 1178, 1348, 1426, 1748, 2356, 2852, 6403, 7751, 10447, 12806, 13547, 15502, 20894, 25612, 27094, 31004, 41788, 54188, 147269, 198493, 240281, 294538, 396986, 480562, 589076, 793972, 961124, 4565339, 9130678, 18261356]

約数ペア:

[(1, 18261356), (2, 9130678), (4, 4565339), (19, 961124), (23, 793972), (31, 589076), (38, 480562), (46, 396986), (62, 294538), (76, 240281), (92, 198493), (124, 147269), (337, 54188), (437, 41788), (589, 31004), (674, 27094), (713, 25612), (874, 20894), (1178, 15502), (1348, 13547), (1426, 12806), (1748, 10447), (2356, 7751), (2852, 6403)]