11819960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2711}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 26848800

約数和(自身を除く): 15028840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2711, 4360, 5422, 10844, 13555, 21688, 27110, 54220, 108440, 295499, 590998, 1181996, 1477495, 2363992, 2954990, 5909980, 11819960]

約数ペア:

[(1, 11819960), (2, 5909980), (4, 2954990), (5, 2363992), (8, 1477495), (10, 1181996), (20, 590998), (40, 295499), (109, 108440), (218, 54220), (436, 27110), (545, 21688), (872, 13555), (1090, 10844), (2180, 5422), (2711, 4360)]