18328838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 32749920

約数和(自身を除く): 14421082

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 89, 121, 178, 242, 253, 407, 506, 814, 851, 979, 1702, 1958, 2047, 2783, 3293, 4094, 4477, 5566, 6586, 8954, 9361, 10769, 18722, 21538, 22517, 36223, 45034, 72446, 75739, 102971, 151478, 205942, 247687, 398453, 495374, 796906, 833129, 1666258, 9164419, 18328838]

約数ペア:

[(1, 18328838), (2, 9164419), (11, 1666258), (22, 833129), (23, 796906), (37, 495374), (46, 398453), (74, 247687), (89, 205942), (121, 151478), (178, 102971), (242, 75739), (253, 72446), (407, 45034), (506, 36223), (814, 22517), (851, 21538), (979, 18722), (1702, 10769), (1958, 9361), (2047, 8954), (2783, 6586), (3293, 5566), (4094, 4477)]