19266540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321109}}^1$

素因数の和:321121

約数の個数: 24

約数和(自身を含む): 53946480

約数和(自身を除く): 34679940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321109, 642218, 963327, 1284436, 1605545, 1926654, 3211090, 3853308, 4816635, 6422180, 9633270, 19266540]

約数ペア:

[(1, 19266540), (2, 9633270), (3, 6422180), (4, 4816635), (5, 3853308), (6, 3211090), (10, 1926654), (12, 1605545), (15, 1284436), (20, 963327), (30, 642218), (60, 321109)]