19991202169

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1\times {\mathrm{7741}}^1$

素因数の和:10200

約数の個数: 16

約数和(自身を含む): 21315893760

約数和(自身を除く): 1324691591

約数列:

[1, 23, 47, 1081, 2389, 7741, 54947, 112283, 178043, 363827, 2582509, 8368021, 18493249, 425344727, 869182703, 19991202169]

約数ペア:

[(1, 19991202169), (23, 869182703), (47, 425344727), (1081, 18493249), (2389, 8368021), (7741, 2582509), (54947, 363827), (112283, 178043)]