19280220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 34909860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 839, 1149, 1532, 1678, 1915, 2298, 2517, 3356, 3830, 4195, 4596, 5034, 5745, 7660, 8390, 10068, 11490, 12585, 16780, 22980, 25170, 50340, 321337, 642674, 964011, 1285348, 1606685, 1928022, 3213370, 3856044, 4820055, 6426740, 9640110, 19280220]

約数ペア:

[(1, 19280220), (2, 9640110), (3, 6426740), (4, 4820055), (5, 3856044), (6, 3213370), (10, 1928022), (12, 1606685), (15, 1285348), (20, 964011), (30, 642674), (60, 321337), (383, 50340), (766, 25170), (839, 22980), (1149, 16780), (1532, 12585), (1678, 11490), (1915, 10068), (2298, 8390), (2517, 7660), (3356, 5745), (3830, 5034), (4195, 4596)]