18613890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{206821}}^1$

素因数の和:206834

約数の個数: 24

約数和(自身を含む): 48396348

約数和(自身を除く): 29782458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 206821, 413642, 620463, 1034105, 1240926, 1861389, 2068210, 3102315, 3722778, 6204630, 9306945, 18613890]

約数ペア:

[(1, 18613890), (2, 9306945), (3, 6204630), (5, 3722778), (6, 3102315), (9, 2068210), (10, 1861389), (15, 1240926), (18, 1034105), (30, 620463), (45, 413642), (90, 206821)]