18405428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5407}}^1$

素因数の和:5471

約数の個数: 24

約数和(自身を含む): 34524672

約数和(自身を除く): 16119244

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 5407, 10814, 21628, 124361, 200059, 248722, 400118, 497444, 800236, 4601357, 9202714, 18405428]

約数ペア:

[(1, 18405428), (2, 9202714), (4, 4601357), (23, 800236), (37, 497444), (46, 400118), (74, 248722), (92, 200059), (148, 124361), (851, 21628), (1702, 10814), (3404, 5407)]