18685140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311419}}^1$

素因数の和:311431

約数の個数: 24

約数和(自身を含む): 52318560

約数和(自身を除く): 33633420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311419, 622838, 934257, 1245676, 1557095, 1868514, 3114190, 3737028, 4671285, 6228380, 9342570, 18685140]

約数ペア:

[(1, 18685140), (2, 9342570), (3, 6228380), (4, 4671285), (5, 3737028), (6, 3114190), (10, 1868514), (12, 1557095), (15, 1245676), (20, 934257), (30, 622838), (60, 311419)]