19915520306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{119159}}^1$

素因数の和:119350

約数の個数: 32

約数和(自身を含む): 33357173760

約数和(自身を除く): 13441653454

約数列:

[1, 2, 11, 22, 71, 107, 142, 214, 781, 1177, 1562, 2354, 7597, 15194, 83567, 119159, 167134, 238318, 1310749, 2621498, 8460289, 12750013, 16920578, 25500026, 93063179, 140250143, 186126358, 280500286, 905250923, 1810501846, 9957760153, 19915520306]

約数ペア:

[(1, 19915520306), (2, 9957760153), (11, 1810501846), (22, 905250923), (71, 280500286), (107, 186126358), (142, 140250143), (214, 93063179), (781, 25500026), (1177, 16920578), (1562, 12750013), (2354, 8460289), (7597, 2621498), (15194, 1310749), (83567, 238318), (119159, 167134)]