18504680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1759}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 23312920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1759, 2104, 2630, 3518, 5260, 7036, 8795, 10520, 14072, 17590, 35180, 70360, 462617, 925234, 1850468, 2313085, 3700936, 4626170, 9252340, 18504680]

約数ペア:

[(1, 18504680), (2, 9252340), (4, 4626170), (5, 3700936), (8, 2313085), (10, 1850468), (20, 925234), (40, 462617), (263, 70360), (526, 35180), (1052, 17590), (1315, 14072), (1759, 10520), (2104, 8795), (2630, 7036), (3518, 5260)]