18917868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{68543}}^1$

素因数の和:68573

約数の個数: 24

約数和(自身を含む): 46061568

約数和(自身を除く): 27143700

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 68543, 137086, 205629, 274172, 411258, 822516, 1576489, 3152978, 4729467, 6305956, 9458934, 18917868]

約数ペア:

[(1, 18917868), (2, 9458934), (3, 6305956), (4, 4729467), (6, 3152978), (12, 1576489), (23, 822516), (46, 411258), (69, 274172), (92, 205629), (138, 137086), (276, 68543)]