18626826

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 40343616

約数和(自身を除く): 21716790

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 73, 86, 129, 138, 146, 219, 258, 438, 989, 1679, 1849, 1978, 2967, 3139, 3358, 3698, 5037, 5547, 5934, 6278, 9417, 10074, 11094, 18834, 42527, 72197, 85054, 127581, 134977, 144394, 216591, 255162, 269954, 404931, 433182, 809862, 3104471, 6208942, 9313413, 18626826]

約数ペア:

[(1, 18626826), (2, 9313413), (3, 6208942), (6, 3104471), (23, 809862), (43, 433182), (46, 404931), (69, 269954), (73, 255162), (86, 216591), (129, 144394), (138, 134977), (146, 127581), (219, 85054), (258, 72197), (438, 42527), (989, 18834), (1679, 11094), (1849, 10074), (1978, 9417), (2967, 6278), (3139, 5934), (3358, 5547), (3698, 5037)]