18739568

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40387}}^1$

素因数の和:40424

約数の個数: 20

約数和(自身を含む): 37560840

約数和(自身を除く): 18821272

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40387, 80774, 161548, 323096, 646192, 1171223, 2342446, 4684892, 9369784, 18739568]

約数ペア:

[(1, 18739568), (2, 9369784), (4, 4684892), (8, 2342446), (16, 1171223), (29, 646192), (58, 323096), (116, 161548), (232, 80774), (464, 40387)]