19982396

素因数分解:

$2^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 40937400

約数和(自身を除く): 20955004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 269, 379, 538, 758, 1076, 1516, 1883, 2653, 3766, 5306, 7532, 10612, 13181, 18571, 26362, 37142, 52724, 74284, 101951, 203902, 407804, 713657, 1427314, 2854628, 4995599, 9991198, 19982396]

約数ペア:

[(1, 19982396), (2, 9991198), (4, 4995599), (7, 2854628), (14, 1427314), (28, 713657), (49, 407804), (98, 203902), (196, 101951), (269, 74284), (379, 52724), (538, 37142), (758, 26362), (1076, 18571), (1516, 13181), (1883, 10612), (2653, 7532), (3766, 5306)]