19536913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 23887872

約数和(自身を除く): 4350959

約数列:

[1, 11, 23, 31, 47, 53, 253, 341, 517, 583, 713, 1081, 1219, 1457, 1643, 2491, 7843, 11891, 13409, 16027, 18073, 27401, 33511, 37789, 57293, 77221, 368621, 415679, 630223, 849431, 1776083, 19536913]

約数ペア:

[(1, 19536913), (11, 1776083), (23, 849431), (31, 630223), (47, 415679), (53, 368621), (253, 77221), (341, 57293), (517, 37789), (583, 33511), (713, 27401), (1081, 18073), (1219, 16027), (1457, 13409), (1643, 11891), (2491, 7843)]