19538339

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 21411840

約数和(自身を除く): 1873501

約数列:

[1, 23, 31, 67, 409, 713, 1541, 2077, 9407, 12679, 27403, 47771, 291617, 630269, 849493, 19538339]

約数ペア:

[(1, 19538339), (23, 849493), (31, 630269), (67, 291617), (409, 47771), (713, 27403), (1541, 12679), (2077, 9407)]