19503258879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{613}}^1\times {\mathrm{2351}}^1$

素因数の和:3327

約数の個数: 32

約数和(自身を含む): 28143166464

約数和(自身を除く): 8639907585

約数列:

[1, 3, 13, 39, 347, 613, 1041, 1839, 2351, 4511, 7053, 7969, 13533, 23907, 30563, 91689, 212711, 638133, 815797, 1441163, 2447391, 2765243, 4323489, 8295729, 10605361, 18735119, 31816083, 56205357, 500083561, 1500250683, 6501086293, 19503258879]

約数ペア:

[(1, 19503258879), (3, 6501086293), (13, 1500250683), (39, 500083561), (347, 56205357), (613, 31816083), (1041, 18735119), (1839, 10605361), (2351, 8295729), (4511, 4323489), (7053, 2765243), (7969, 2447391), (13533, 1441163), (23907, 815797), (30563, 638133), (91689, 212711)]