18999780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316663}}^1$

素因数の和:316675

約数の個数: 24

約数和(自身を含む): 53199552

約数和(自身を除く): 34199772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316663, 633326, 949989, 1266652, 1583315, 1899978, 3166630, 3799956, 4749945, 6333260, 9499890, 18999780]

約数ペア:

[(1, 18999780), (2, 9499890), (3, 6333260), (4, 4749945), (5, 3799956), (6, 3166630), (10, 1899978), (12, 1583315), (15, 1266652), (20, 949989), (30, 633326), (60, 316663)]