19953392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43003}}^1$

素因数の和:43040

約数の個数: 20

約数和(自身を含む): 39993720

約数和(自身を除く): 20040328

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43003, 86006, 172012, 344024, 688048, 1247087, 2494174, 4988348, 9976696, 19953392]

約数ペア:

[(1, 19953392), (2, 9976696), (4, 4988348), (8, 2494174), (16, 1247087), (29, 688048), (58, 344024), (116, 172012), (232, 86006), (464, 43003)]