16923319

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 21079968

約数和(自身を除く): 4156649

約数列:

[1, 7, 19, 37, 133, 181, 259, 361, 703, 1267, 2527, 3439, 4921, 6697, 13357, 24073, 46879, 65341, 93499, 127243, 457387, 890701, 2417617, 16923319]

約数ペア:

[(1, 16923319), (7, 2417617), (19, 890701), (37, 457387), (133, 127243), (181, 93499), (259, 65341), (361, 46879), (703, 24073), (1267, 13357), (2527, 6697), (3439, 4921)]