19561180

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4271}}^1$

素因数の和:4509

約数の個数: 24

約数和(自身を含む): 41267520

約数和(自身を除く): 21706340

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4271, 4580, 8542, 17084, 21355, 42710, 85420, 978059, 1956118, 3912236, 4890295, 9780590, 19561180]

約数ペア:

[(1, 19561180), (2, 9780590), (4, 4890295), (5, 3912236), (10, 1956118), (20, 978059), (229, 85420), (458, 42710), (916, 21355), (1145, 17084), (2290, 8542), (4271, 4580)]