19552588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4993}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 37754640

約数和(自身を除く): 18202052

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4993, 9986, 19972, 54923, 109846, 219692, 444377, 888754, 1777508, 4888147, 9776294, 19552588]

約数ペア:

[(1, 19552588), (2, 9776294), (4, 4888147), (11, 1777508), (22, 888754), (44, 444377), (89, 219692), (178, 109846), (356, 54923), (979, 19972), (1958, 9986), (3916, 4993)]