18479428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11351}}^1$

素因数の和:11403

約数の個数: 24

約数和(自身を含む): 36235584

約数和(自身を除く): 17756156

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 11351, 22702, 45404, 124861, 249722, 419987, 499444, 839974, 1679948, 4619857, 9239714, 18479428]

約数ペア:

[(1, 18479428), (2, 9239714), (4, 4619857), (11, 1679948), (22, 839974), (37, 499444), (44, 419987), (74, 249722), (148, 124861), (407, 45404), (814, 22702), (1628, 11351)]