18367839

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5501}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 30899232

約数和(自身を除く): 12531393

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5501, 16503, 38507, 49509, 115521, 291553, 346563, 874659, 2040871, 2623977, 6122613, 18367839]

約数ペア:

[(1, 18367839), (3, 6122613), (7, 2623977), (9, 2040871), (21, 874659), (53, 346563), (63, 291553), (159, 115521), (371, 49509), (477, 38507), (1113, 16503), (3339, 5501)]