19741952

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1234

約数の個数: 36

約数和(自身を含む): 40029696

約数和(自身を除く): 20287744

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 1072, 1151, 2144, 2302, 4288, 4604, 8576, 9208, 17152, 18416, 36832, 73664, 77117, 147328, 154234, 294656, 308468, 616936, 1233872, 2467744, 4935488, 9870976, 19741952]

約数ペア:

[(1, 19741952), (2, 9870976), (4, 4935488), (8, 2467744), (16, 1233872), (32, 616936), (64, 308468), (67, 294656), (128, 154234), (134, 147328), (256, 77117), (268, 73664), (536, 36832), (1072, 18416), (1151, 17152), (2144, 9208), (2302, 8576), (4288, 4604)]