19558484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8387}}^1$

素因数の和:8455

約数の個数: 24

約数和(自身を含む): 38047968

約数和(自身を除く): 18489484

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8387, 16774, 33548, 92257, 184514, 369028, 444511, 889022, 1778044, 4889621, 9779242, 19558484]

約数ペア:

[(1, 19558484), (2, 9779242), (4, 4889621), (11, 1778044), (22, 889022), (44, 444511), (53, 369028), (106, 184514), (212, 92257), (583, 33548), (1166, 16774), (2332, 8387)]