18838140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313969}}^1$

素因数の和:313981

約数の個数: 24

約数和(自身を含む): 52746960

約数和(自身を除く): 33908820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313969, 627938, 941907, 1255876, 1569845, 1883814, 3139690, 3767628, 4709535, 6279380, 9419070, 18838140]

約数ペア:

[(1, 18838140), (2, 9419070), (3, 6279380), (4, 4709535), (5, 3767628), (6, 3139690), (10, 1883814), (12, 1569845), (15, 1255876), (20, 941907), (30, 627938), (60, 313969)]