19913343

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5323}}^1$

素因数の和:5398

約数の個数: 16

約数和(自身を含む): 28110720

約数和(自身を除く): 8197377

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5323, 15969, 154367, 228889, 463101, 686667, 6637781, 19913343]

約数ペア:

[(1, 19913343), (3, 6637781), (29, 686667), (43, 463101), (87, 228889), (129, 154367), (1247, 15969), (3741, 5323)]