19917362302

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{43661}}^1$

素因数の和:43944

約数の個数: 32

約数和(自身を含む): 31989924864

約数和(自身を除く): 12072562562

約数列:

[1, 2, 23, 46, 47, 94, 211, 422, 1081, 2162, 4853, 9706, 9917, 19834, 43661, 87322, 228091, 456182, 1004203, 2008406, 2052067, 4104134, 9212471, 18424942, 47197541, 94395082, 211886833, 423773666, 432986137, 865972274, 9958681151, 19917362302]

約数ペア:

[(1, 19917362302), (2, 9958681151), (23, 865972274), (46, 432986137), (47, 423773666), (94, 211886833), (211, 94395082), (422, 47197541), (1081, 18424942), (2162, 9212471), (4853, 4104134), (9706, 2052067), (9917, 2008406), (19834, 1004203), (43661, 456182), (87322, 228091)]